Index

Abacus, [347]
Acid, Nitric, [464]
“Adam’s Apple,” [321]
Adding Machines, [345]
Addressograph, [364]
Aerial Railway, [120]
Aerials, [264]
Aerial Trucks, [451]
Aeroplane Bombs, [158]
Aeroplanes, [505]
Aestivation, [241]
“After-damp,” [247]
Agate, [49], [149]
Agriculture, [461], [556]
Air, Liquid, [461]
Air Currents, [158], [231], [244], [263]
Air-locks, [497]
Air-mines, [390]
Air-pressure, [411], [492]
Airships, [505]
Alcohol, [336], [478]
Alloys, Gold, [448]
“Almighty Dollar,” [355]
Alternating Current, [363]
Amazon, [98]
“American Turtle,” [9]
Amethysts, [149]
Ammonia, [466]
Ammunition, [75], [94], [158], [398]
Animals, [51], [138], [146], [229], [241], [293], [297]
Anthracite, [244]
Anti-cyclones, [450]
“A-1”, [136]
Apaches, [147]
Apartment-houses, First, [334]
Apiaries, [183]
Apples, [136]
Aquarium, [378]
Arack, [214]
Arc Lamps, [577]
Area of Oceans, [169]
Armored Railway Car, [470]
Armor-piercing Shells, [402]
Armor Plate, [422], [435], [470], [478]
Army Ambulances, [485]
Arrows, [79]
Artesian Wells, [96]
Artificial Precious Stones, [361]
Artillery, [386]
Astronomical Observatory, [66]
Atmospheric Conditions, Recording, [58]
Atmospheric Nitrogen, [459]
Atmospheric Pressure, [180]
“Atmospherics,” [264]
Atoms, [324]
Austrian Guns, [388]
Autographic Photography, [168]
Automatic Bowling Pin Setters, [360]
Automatic Machine Guns, [144], [391]
Automatic Pistols, [143]
Automatic Rakers, [565]
Automatic Rifles, [89]
Automobile Factory, [518]
Automobile Guns, [145]
Automobiles, [145], [223], [278], [290], [451], [481], [518], [557]
Auxiliary Pumps, Fire, [455]
Bacon, [300]
Bacon, Roger, [83]
Baggage Trucks, [545]
Baking Clay under Water, [501]
Balanced Rations, [298]
Balance-wheels, [65]
Balloons, Captive, [58], [515]
Balloons, Fire, [157]
Balloons, Military, [515]
Balls, [309], [357]
Bascule Bridges, [466]
Battery Park, [378]
Battle of Four Elements, [513]
Battleship Aeroplanes, [506]
Battleships, [22], [266], [480]
Battleship Turrets, [425]
Beaches, [149], [180]
Bed Lasting Machines, [440]
Beef, [297], [299], [458]
Bees, [184]
Beets, [464]
“Before you can say Jack Robinson,” [119]
Bell, Alexander Graham, [217]
Belting, [118], [535]
Benday Engravings, [382]
Bending, Illusion, Stick in Water, [308]
“Benedicts,” [149]
Bicycles, [52]
“Big Trees,” [304]
Billiard Tables, [309]
Binders, [562]
Biplanes, [505]
Birds, [303]
Blackberries, White, [316]
Blackfeet Indians, [148]
Blast Furnaces, [417]
Bleriot’s Monoplane, [509]
Boats, Submarine, [9]
Body Chute, Auto, [530]
Bolters, Salt, [476]
Bomb-dropping Device, [514]
Bombs, [152]
Boots, [436]
Boots, Rubber, [111], [116]
Boring Tool, [87]
Bow and Arrow, [79]
Bow-drill, [77]
Bowling Alleys, [357]
Box Kites, [59]
“Breathing Bags,” [248]
Breech-loaders, [85]
Bridges, [467]
Briquetting Machines, [249]
Broadway, [274], [280], [308]
Bud-grafting, [136]
Buffing Machines, [444]
Buildings, Large, [221], [234], [274], [280], [540]
Bulbs, Rubber, [116]
Bullets, [93]
Bull-fights, [362]
Burbank, Luther, [317]
Bureau of Mines Rescue Crew, [247]
Burnishing, Silverware, [260]
Cabinet-making, [310]
Cable, Hemp, [123]
Cable, Wire, [132]
Cactus, Spineless, [316]
Caissons, [504]
Calcium Carbide, [459]
Calculating Machines, [345]
Calendering, [109], [116]
Calibers, Guns, [389]
California, [49], [304], [332]
“Calling-crabs,” [229]
Cameras, [162]
Canal Navigation, [39]
“Canary-bird Test,” Mining, [250]
Candles, [63]
Cannel Coal, [251]
Cannon, [386]
Carats, [317]
Carbide Furnaces, [460]
Carbines, [87]
Carbon Filament Lamps, [275]
Carboniferous Strata, [247]
Carburetors, [56]
Carnelians, [149]
Carrier Pigeons, [216]
Cars, Armored Railway, [470]
Cars, Freight, [545]
Cars, Motor, [145], [223], [290], [451], [481], [518], [557]
Cars, Pullman, [544]
Cars, Sight-seeing, [482]
Cars, Special Heavy Duty Freight, [424]
Cars, Street, [215]
Cartridges, [85], [94]
Casting Gold Ingots, [449]
Casting Machines, [414]
Castings, [424], [531]
Catenary Construction, [284]
Cat’s-eye, [149]
Cattle, [297], [458]
Cattle Food, [298], [317]
Cave Men, [75]
Cellulose, [450]
Cellulose Acetate, [168]
Central Exchanges, Telephone, [218]
Central Station, First Commercial, [273]
Centrifugal Extractors, Honey, [190]
Chafing Dishes, Electric, [210]
Chain Rammers, [407]
Channel Cementing Machines, [441]
Chattering, Teeth, [182]
Chemical Engines, [454]
Chemical Fire Extinguishers, [375], [523]
Chemicals, Photographic, [162]
Chewing Gum, [337]
Chicle, [337]
Chimes, [260]
Chimneys, [158]
Chinese Firecrackers, [150]
Chrome Leather, [582]
Circuits, Telephone, [225]
Citrus Fruits, [331]
“Clam-shell Dredges,” [491]
Clay, [247], [496]
Clicking Machines, [438]
Cliff Dwellings, [334]
Clinking Glasses, [231]
Clocks, [61], [344]
Clothes, [252]
Coal, [244], [543]
Coast Defense Guns, [396]
Cobbler Shop, [437]
Cocoanuts, [132], [138], [214], [450]
Cod, [216], [325]
Coffee-machines, Electric, [207]
Coining, [302], [449]
Coir, [132]
Coke, [251], [460]
Cold Storage, [299], [466]
Color-printing, [289], [382]
Comb, Honey, [183], [197]
Combination Engravings, [381]
Combined Sweep Rake and Stacker, [567]
Combustion, Spontaneous, [42]
Combustion Engines, [12], [53]
Compass, Gyro, [74]
Compasses, [435]
Composition Billiard Balls, [315]
Compressed Air Construction, [492]
Compressed Air Engines, [133]
Conduits, [223]
Conning Towers, [425]
Continuous Core Ovens, [532]
Conveyor Belts, [535]
Conveyors, Spiral, [240]
Cooking, [121]
Cooking Appliances, [205]
Co-operative Agriculturists, [333]
Copper, [448], [450]
Cordage, [121]
Cork, [385]
Corn Binders, [562]
Cotton, [464]
Counting, [345]
Coursing, [377]
“Court of Love,” [363]
“Cowboys,” [374]
“Cow-trees,” [383]
Crabs, [138], [229]
Cradles, [559]
Cradle Springs, [55]
Crane Neck Hand Fire Engine, [452]
Cranes, Traveling, [536], [543]
Crane way, [531]
Crank-shafts, [435], [518], [535]
Cravats, [270]
Crops, [458], [556]
Cross-bow, [82]
Cross-section on Sixth Avenue at Thirty-third Street, New York, [503]
Crowns, [384]
Crude Rubber, [99]
Cruisers, [478]
Cucaracha Slide, [27]
Cues, Billiard, [313]
“Culebra Cut,” [25], [29]
Culverins, [83]
Curfew, [289]
Curing, Fish, [329]
Meat, [292], [300]
Currying, [583]
Cutlery, [333], [491]
Cutting Shield Head, [495]
Cyanamid, [458]
Cyanide Gold Process, [448]
Cyanometer, [199]
Cyclones, [450]
Cylinder Machining, [524]
Cylinder Presses, [173]
Cylindrical Valve Machines, [26]
Daguerreotypes, [164]
Dates, [97]
“Davids,” [10]
“Death Valley,” [315]
Deep Sea Monster, [469]
Deer-stalking, [82]
Delivery Trucks, [481]
Denatured Alcohol, [478]
Desk ’Phones, [223]
Detonators, [85]
“Deutschland,” [14]
“Deviation of the Compass,” [435]
Diamond Boring Machines, [97]
Diamond Cutting, [584]
Diamonds, Artificial, [361]
Dictograph, [262]
Diesel Engines, [12], [252]
Die-sinking, [285]
“Difference Engine,” [348]
Dipper Dredges, [491]
Direct Current, [363]
Dirigibles, [516]
Diving Bells, [489]
Diving Equipment, [411], [490]
“Divining Rods,” [199]
“Dog-days,” [310]
“Dog-towns,” [42]
“Dog-watch,” [317]
Dollar Sign, [450]
Double Octuple Press, [179]
Drawbridges, [467]
Dreams, [182]
Dredges, [23], [27], [490]
Dredging, Submarine, [15]
Drills, Steam, [19]
Drinking, [231]
Driving Shields, [494]
Drop Forging, [419]
Dry Docks, [159]
“Dry Farming,” [372]
Drying Machines, [372]
Ducking Stools, [379]
Ducks, [180]
Ductility of Metals, [448], [450]
Dumbwaiters, [237]
Dumping Trucks, [486]
Dynamo Room of First Edison Station, [276]
Dynamos, [262], [274]
Earth, [181], [379]
“Earth-shine,” [356]
Echoes, [574]
Eclipses, [181]
Edge Trimming Machines, [443]
Efficiency Systems, [518]
Electric Baggage Trucks, [545]
Control Boards, [519]
Delivery Wagons, [278]
Eels, [472]
Locomotives, [22], [24], [541]
Magnets, [589]
Sewing Machines, [279]
Train Chart and Switch Control, [283]
Transmission, [261]
Electricity, Domestic Utensils, [200]
Progress, [273]
Electrification of Railroads, [284], [541]
Electrode Regulators, [460]
Electro-magnetic Waves, [263]
Electro-plating, [257]
Elevating Gears, Gun, [402]
Elevators, [232]
Emblem of Scotland, [593]
Engines, Combustion, [12], [53]
Compressed Air, [133]
Diesel, [12], [252]
Electric Railroad, [541]
Fire, [451]
Gasoline-electric, [214]
Gas-steam, [518]
Kerosene, [556]
Steam Railroad, [541]
English Guns, [398]
Engraving, [380]
Ensilage, [271]
Ermine, [356]
Escapements, [68]
Exchanges, Telephone, [218]
Explosions, [37], [231], [244], [333]
Eyes, Impressions of Vision, [162]
Eyeleting Machines, [438]
Factory Hospitals, [521]
Farming, [458], [556]
Fast Express Trains, [541]
Federal Government, Coal Lands, [251]
Felspar, [539]
“Fenian Ram,” [10]
Ferris Wheel, [342]
Fertilizers, [298], [458], [572]
Fiber, Manila, [132]
“Fiddler-crabs,” [229]
Field Guns, [386]
Field Ring Forgings, [425]
“Fighting Fish,” [199]
Figs, [198]
Files, [138]
Films, [162], [537], [578]
Filters, Salt, [474]
Finger-prints, [74]
Finishing Shafts, [443]
Fire Apparatus, [451], [523], [542]
Fire-arms, [75], [139], [386]
Fire-damp, [244]
Fire Extinguishers, [375], [523]
Fireflies, [161]
Fire-making, Early, [121]
Firing Gears, [405]
Fireworks, [150]
Fish, [99], [216], [325], [333], [377], [384], [468]
Fixation of Nitrogen from the Air, [458]
Flash Pans, [83]
Flax, [132]
Flight of Projectiles, [398]
Flint, [149]
Flint-lock, [84]
Floating Docks, [159]
Floating Islands, [504]
Flowers, [317]
Fluid Compression, [401]
Flying, Birds, [303]
“Flying Dutchman,” [180]
Flying Machines, [505]
Focus, Eye and Camera, [162]
Fog Horns, [60]
Folding Machines, [175], [288]
Food, Cooking, [121]
Food Crops, [458], [556]
Foreign Exchange, [356]
Forestry, [268]
Forging Press, [418]
Forgings, Quenching, [532]
Forks, [254]
“Forlorn Hope,” [306]
“Fossil Forests,” [50]
Foundry Methods, [531]
Freckles, [412]
Free Electric Current, [278]
Freezing Points, [336]
French Guns, [390]
Fresco Painting, [336]
Front Axles, Auto, [527]
Front-drive Motor Trucks, [457]
Fruits, [317], [331]
Fuel Economy, [244]
“Fundamental Development Plans,” [222]
“Funditor,” [77]
Fur, [356]
Furnaces, Carbide, [460]
Furnaces, Steel, [416], [534]
Fuses, [405]
Gaillard Cut, [25], [29]
Galileo’s Swinging Chandelier, [63]
Gamboa Dike, [37]
Game Preserves, [270]
Gas, Coal, [244]
Gas Meters, [270]
Gas, Nitrogen, [460]
Gasoline-electric Cars, [215]
Gas-steam Engines, [518]
Gatling-guns, [145], [391], [470]
Gatun Locks, [24], [31-2]
Gear Wheels, [408]
Gelatine Films, [152]
Generators, [262], [465]
German Guns, [398]
“Get the Sack,” [169]
Geysers, [41]
Glacier National Park, [324]
Glaciers, [322]
Glass, [231], [450]
“Glass Snakes,” [583]
Glowworms, [161]
Gold, [303], [317], [377], [448]
Goldfish, [377]
Gold Leaf, [377]
“Goodyear Welt,” [437], [447]
Grab-buckets, [245]
Grade Crossing Elimination, [504]
Grafting, Bud, [136]
Grain Binders, [569]
Grain Drills, [572]
Granite, [540]
Graphophones, [43]
Graphotypes, [368]
Gravity Conveyors, [240]
“Great White Way,” [274]
Greek-fire, [83], [377]
Greyhound, [377]
Grills, Electric, [209]
Grinding Crank Shafts, [518]
Groundnuts, [241]
Guard Gates, [31-2]
Gun-carriages, [141], [386]
Gunpowder, [83]
Guns, [75], [139], [386]
Gyroscopes, [72]
Halftone Engravings, [380]
Ham, [292]
Hammers, Steam, [533]
Hand Bombards, [83]
Hand Presses, Printing, [172]
Hand-shaking, [308]
Harvesting, [557]
Hay Loaders, [568]
Header Binders, [566]
Hearth Furnaces, [416]
Heat, [315]
Heating Element, Electric, [208]
Heating Pads, Electric, [211]
Heat-treatment, [532]
Heel-seat Rounding Machines, [443]
Helmets, Diving, [41]
Oxygen, [248]
Hemp, [130]
Henequen, [130]
Hibernation, [241]
Hides, [580]
High Tension Currents, [262]
Highlight Engravings, [382]
Hives, Bee, [186]
“Hob-nobbing,” [231]
“Hobson’s Choice,” [169]
Hogs, [293]
“Holland” Under-sea Boats, [10]
Honey, [183]
Hopper Dredgers, [490]
Hoppers, Coal, [246]
Horizon, [121]
Horse-drawn Fire Engines, [453]
Horseshoe Curve, [547]
Hose, [117]
Reels, [456]
Trucks, [451]
Hour Glasses, [63]
Household Appliances, [200], [556]
How a Newspaper is Printed, [172]
How are Artificial Precious Stones made? [361]
Cannon made? [386]
Chewing Gum tablets coated? [342]
Cocoanuts Used to Help our Warships? [450]
Composition bowling balls made? [360]
Diamonds cut? [584]
“Electric Eels” Caught? [472]
Explosions guarded against in mines? [244]
Files made? [138]
Fireflies used as dress ornaments? [161]
Fireworks made? [150]
Glaciers Formed? [324]
Harbors Dredged Out? [491]
Magazines made? [286]
Oranges Packed? [331]
Rifles made? [75]
Sand-dunes formed? [180]
Sausages made? [301]
Vessels handled while going through the Panama Canal? [39]
Watches made? [61]
we able to hear through Speaking Tubes? [308]
we taking care of our forests now? [267]
How big do Redwood Trees grow? [304]
How big is the Largest Adding Machine in the world? [354]
How can a factory make two Automobiles a minute? [518]
How can we hear through the Walls of a Room? [251]
How can we send Messages through the Air? [263]
How can we travel in trains under water? [492]
How cold is 372° below zero? [461]
How could a large hole in a tunnel under water be repaired? [501]
How deep is the deepest part of the Ocean? [169]
How did Chemical Fire Extinguishers develop? [375]
Men learn to count? [345]
Men learn to eat pork? [292]
Nodding the head up and down come to mean “yes”? [149]
the cooking of food originate? [121]
the Dollar Sign originate? [450]
the expression “A-1” originate? [136]
the expression “Before you can say Jack Robinson” originate? [119]
the expression “Forlorn Hope” originate? [306]
the fashion of wearing Cravats commence? [270]
the Greyhound get his name? [377]
the ringing of the Curfew originate? [289]
the term “Cowboys” originate? [374]
the term “Yankee” originate? [171]
the wearing of crowns originate? [384]
we learn to tell time? [61]
your State get its Name? [243]
How do bees make honey? [183]
big buildings get their Granite? [539]
Calculating Machines calculate? [345]
“Carrier Pigeons” Carry Messages? [216]
Chimes strike the Hour? [260]
Elevators operate? [232]
Fishes Swim? [384]
Moving Pictures get on the Screen? [575]
Peanuts get in the Ground? [241]
Shoe Machines operate? [436]
the Indians Live now? [146]
they make Chewing Gum? [337]
we know that the Earth is Round? [379]
How does a Bird Fly? [303]
a Camera take a Picture? [162]
a Gasoline Motor run an Electric Street Car? [214]
a Lifting Magnet lift? [589]
a “Master Clock” control others by electricity? [344]
a Monorail Gyroscope Railway operate? [72]
a Siren Fog Horn Blow? [60]
a Talking Machine talk? [43]
an Artesian Well keep up its supply of Water? [96]
Electricity help the Housewife? [200]
Telephone Development in this country compare with that abroad? [222]
the Addressograph operate? [364]
the Beach get its Sand? [149]
the Gas Meter measure your Gas? [270]
the New York Stock Exchange operate? [374]
the Poisonous Tarantula live? [146]
How far away is the Sky-line? [121]
How far can a powerful Searchlight send its Rays? [229]
How has Electricity advanced? [273]
How has man helped nature give us Apples? [136]
How has the Motor Truck developed? [481]
How is a Five Dollar Gold Piece made? [303], [449]
a Newspaper printed? [172]
a Paper of Pins filled? [321]
a Pool Table made? [309]
a Razor Blade made? [491]
a Teaspoon Silver-plated? [253]
Die-sinking done? [285]
Electricity brought into a House? [262]
Food taken from the air by Electricity? [458]
Fresco Painting done? [336]
Gold Leaf made? [377]
Leather tanned? [580]
Lime Juice used in Curing Rubber? [110]
Photo-engraving done? [380]
Pine Tar made? [129], [134]
Rope made? [121]
the exact color of the Sky determined? [199]
the Weather Man able to predict tomorrow’s Weather? [58]
Howitzers, [388]
How large are Molecules? [324]
How long does it take “Hello” to reach ’Frisco from New York on the Transcontinental Line? [226]
How many Post Offices are there in the U. S.? [218]
How much Gold in a 14-carat Ring? [317]
How much is a Duodecillion? [354]
How much Salt do we each use a year? [478]
How much silver is there in “Sterling” ware? [260]
How the Self-loading Pistol developed, [139]
How was Vulcanizing discovered? [105], [115]
How were Motorcycles first made? [52]
Hudson River Tubes, [493]
Hunger, [588]
Hunting, [75]
Hybridization, [317]
Hydraulic Compressors, [401]
Forging Presses, [418]
Jacks, [497]
Swinging Arms, [494]
Hydroaeroplanes, [507]
Hydroelectric Station, [20]
“Hypo,” [163]
Ice, [322]
Illumination, Electric, [273]
Immersion Heaters, Electric, [211]
Imperfections in Diamonds, [586]
Incandescent Lamps, [275]
Indians, [146], [336]
Inner-tubes, [117]
Inseam Trimming Machines, [440]
Insole Tacking Machines, [437]
Installing Motors, Auto, [528]
Instruments, Range-finding, [403]
Insulated Wire, [118]
Interior Transverse Fissures, [344]
Iron, [413]
Irons, Electric, [200]
Isinglass, [216]
Istle, [132]
Italian Guns, [389]
Ivory, [314]
Jaggery, [214]
Jasper, [49], [149]
“Jeweler’s Gold,” [448]
Jewels, Synthetic, [361]
Kerosene Engines, [556]
Tractors, [561]
“Kick the Bucket,” [171]
“King can do no wrong,” [466]
Knives, Table, [260], [333]
Krupp Guns, [398]
Lacing Machines, [438]
Ladder Dredges, [23], [27], [490]
Ladders, Fire, [451]
“Lake” Submarines, [9]
Land-crabs, [138]
Lard, [301]
Latten Spoons, [254]
League Island Navy Yard, [160]
Leather, [580]
Lemons, [331]
Lifting Magnets, [589]
Lightning Bugs, [161]
Lights, Electric, [273]
Lignite, [251]
Lilies, Violet-odored, [317]
Limit Switches, [26]
Line Engravings, [381]
Liquid Air Plant, [461]
“Liquid Fire,” [377]
Listing Machines, [350]
Lizards, [583]
Llama, [99]
Loading Platforms, [531]
Lobsters, [384]
Lock Gate Operating Machinery, [34]
Locomotive Building, [543]
Locomotives, [22], [24], [541]
Long-bow, [80]
Loose Nailing Machines, [443]
Low Tension Currents, [262]
Lumbering, [306]
“Lump in the Throat,” [308]
“Lynching,” [355]
Machine Guns, [142], [391], [470]
Magazines, [286]
Magnets, [589]
Mailing System, Magazines, [289]
Manila Fiber, [132]
Manure Spreaders, [572]
Map, Tree-planting Regions of U. S., [269]
Marsh-gas, [244]
Masonic Signs, [262]
“Master Clocks,” [344]
Matchlock, [83]
Matrix-drying Machines, [179]
“Measurer of Blue,” [199]
Meat, [292], [299]
Mechanical Starter, Auto, [529]
Megaphones, [308]
Merchant Submarine Liners, [14]
Mercury, [336]
Mer de Glace, [322]
Meters, Gas, [270]
Mica, [203]
Micrometric Regulators, [67]
Military Air Tractors, [506]
Milk, [383]
Mine-planting Submarines, [11]
“Mineralite” Balls, [360]
Mining, Coal, [244]
Mining, Gold, [448]
Mining, Iron, [413]
Mint, [302]
Mobilization, [228]
Molds, Steel, [431], [531]
Molecules, [324]
Monoplanes, [509]
Monorail Railways, [73], [520]
Moon, [181], [356]
Mortars, [397]
“Mother of Pearl,” [385]
Motion Pictures, Assembling Films, [537]
Projecting, [575]
Taking, [536]
Motor Assembling, Auto, [525]
Motorcycles, [52]
Motor Delivery Vans, [58]
Fire Apparatus, [451]
“Motor-paced Tandems,” [55]
Motors, Electric, [262]
Gasoline-Electric, [215]
Motor Trucks, [223], [451], [481], [557]
Mountain Guns, [390]
Mt. Rainier, [323]
Mt. Weather, [60]
Moving-stairways, [238]
Mowing Machines, [561]
Multiple Switchboards, Telephone, [220]
Muskets, [88]
Muzzle-energy, Giant Guns, [398]
Nailing Machines, [441]
Names of States, [243]
“Napier’s Rod,” [348]
“Nautilus,” [10], [491]
Naval Guns, [387]
Navy Yards, [161]
Neckties, [270]
Negatives, [163]
Nets, Fish, [328]
Newspapers, [121], [172], [282]
New York Sky-line, [493]
New Zealand Flax, [132]
Niagara Falls, [463]
“Nine-pins,” [357]
Nitrate of Soda, [459]
Nitric Acid, [464]
Nitrogen, [458]
Nitrogen Fixation Ovens, [462]
“No,” [149]
Nuts, Cocoanuts, [214]
Oats, [569]
Observation Balloons, [515]
Oceans, [169]
Oil, Cod-liver, [216]
Oil Cushion Buffers, [235]
“Old Moon in the New Moon’s Arms,” [356]
On-tempering, [420]
Onyx, [149]
Opals, [49], [149]
Open-hearth Furnaces, [416]
Oranges, [332]
Ordnance, [386]
Outsole Rapid Lockstitch Machines, [446]
Ovens, Continuous Core, [532]
Drying Painted Cars, [547]
Electric, [210]
Overhead Monorail Systems, [520]
Oxygen Reviving Apparatus, [248]
Oyster Dredging Apparatus, [16]
Painting, Fresco, [336]
Palms, [97], [214]
Panama Canal, [17]
Panama City, [35]
Panama-Pacific Exposition, [230]
Patent Leather, [583]
Peanuts, [242]
Pearl Fishing Equipment, [16]
Pearls, [385]
Imitation, [361]
“Pebble Board,” [345]
Pedro Miguel Locks, [22]
Penetrating Powers of Projectiles, [398]
Pennsylvania Station, [546]
Percolators, Electric, [206]
Percussion Fuses, [405]
Periscopes, [13]
Petrified Forests, [50]
Phantom Circuits, [225]
Philippine Carts, [131]
Photo-engraving, [380]
Photography, [162], [536]
Pigeons, [216]
Pig Iron, [429]
Pigs, [293]
Pike’s Peak, [557]
Pine Tar, [129], [134]
Pins, [318]
Pirates, [150]
Pistols, [139]
Piston Machining, [522]
Plants, [317]
Plating, Electro, [257]
“Plumcot,” [317]
Pole Lathes, [87]
Poles, Telephone, [222]
Pool, [309]
Pork, [292]
Potato-diggers, [242]
Power House, Niagara Falls, [465]
Power Stations, [278], [519]
Prairie Dogs, [42]
Predictors, Range, [403]
Printing, Color, [289]
Printing-presses, [172], [282], [286]
Projectile Forging, [419]
Projectiles, [158], [398]
Projecting Machines, [576]
Proving Grounds, [399]
Prunes, Stoneless, [317]
Pulling-over Machines, [439]
Pullman Cars, [544]
Pyro, [163]
Pyrometers, [534]
Pyrotechnics, [150]
Quarry, [540]
Quenching Steel Forgings, [532]
Radio Telephone and Telegraph, [263]
Railroads, [344], [424], [470], [492], [541]
Rails, Steel, [343]
Railways, Aerial, [120]
Monorail, [73], [520]
Rakes, [567]
Rammers, Gun, [407]
Range Finders, [403]
Ranges, Electric, [213]
Rapid-fire Guns, [144], [391], [470]
Rasps, [138]
Razor Blades, [491]
Reapers, [562]
Reaping Hooks, [557]
Rear Axle Assembling, Auto, [523]
Record Making, Graphophone, [44], [47]
Redwood, [272], [305]
Refraction, [308]
Refrigerating Machinery, [296]
Return Chutes, Bowling Ball, [357]
Revolvers, [139]
Rifles, [75]
Rock-boring, [97]
Rock-crystal, [49], [149], [539]
Rockets, [151]
Rock Salt, [474]
Roentgen Rays, [169]
Rolling Bridges, [466]
Roman Candles, [156]
Rope, [121]
Rounding and Channeling Machines, [444]
Rubber, [98]
Safe Deposit Vaults, [428]
Safety Crew, Mines, [248]
Salt, [473]
Salt Fish, [330]
Sand, [149], [180], [247]
Sand-dunes, [180]
Sandwiches, [119]
Sausages, [292]
Scythes, [558]
Searchlight Projectiles, [158]
Searchlights, [229]
Self-binding Harvesters, [568]
Semi-submersible Wrecking Apparatus, [16]
Set Pieces, Pyrotechnic, [154]
Sewing Machines, [279]
Shaking Hands, [308]
Sheep-growing, [252]
Sheffield Plate, [256]
Shells, [409]
“Shibboleth,” [588]
Shoes, [436]
Shoes, Rubber, [115]
Shoe Treeing Machines, [446]
Shot-guns, [92]
“Showing the White Feather,” [231]
Shutters, Motion Picture Machine, [578]
“Side-cars,” [56]
Siege-howitzers, [388]
Sight-seeing Cars, [482]
Silhouettes, [163]
Silica, [149]
Silos, [271]
Silver Plating, [253]
Sinking of the “Bluecher,” [479]
Siren Horns, [60]
Sisal, [130]
Skins, [580]
Skiving Machines, [437]
Sky, [180], [199]
Sky-line, [121]
Sky-rockets, [150]
Slaughter-houses, [295]
Sling-shot, [78]
Smiling, [412]
Smoking, Meat, [292]
Snakes, “Glass,” [583]
Soap, [298]
Sole Laying Machines, [441]
Sole Leather, [580]
Sole Leveling Machines, [441]
Soroban, [345]
Sound, [47], [251], [333], [574]
Speaking Tubes, [308]
Spiders, [51], [146]
Spineless Cactus, [317]
Spinning, Hemp, [124]
Spiral Chutes, [240]
Spontaneous Combustion, [42]
Spoons, [253]
Sprinkler Systems, [523]
Stabilizers, [74]
Stamping Machines, [444]
“Standard Gold,” [448]
“Standard Yard,” [61]
States, [243]
Stations, Railroad, [546]
Statue of Liberty, [378]
Steam Drills, [19]
Dynamos, [275]
Fire Engines, [452]
Hammers, [533]
Harvesters, [560]
Shovels, [28], [30], [38]
Velocipedes, [52]
Steel, [333], [343], [413], [470], [491], [532]
“Sterling,” [260]
Sting, Bee, [187]
Stitch and Upper Cleaning Machines, [445]
Stitch Separating Machines, [443]
Stoat, [356]
Stock Exchanges, [373]
Stockyards, [297]
Stoneless Prunes, [317]
Story in a Billiard Table, [309]
Bowling Alley, [357]
Box of California Oranges, [331]
Chemical Fire Extinguisher, [375]
Giant Cannon, [386]
Honey-comb, [183]
Pin, [318]
Rifle, [75]
Sausage, [292]
Silver Teaspoon, [253]
Watch, [61]
Story in Diamond-cutting, [584]
Elevators and Escalators, [232]
Firecrackers and Sky-rockets, [150]
Photo-engraving, [380]
Story in the making of a Pair of Shoes, [436]
making of a Magazine, [286]
making of a Picture, [162]
Modern Lifting Magnet, [589]
Printing of a Newspaper, [172]
Talking Machine, [43]
Telephone, [217]
Story of a Deep Sea Monster, [468]
a Piece of Chewing Gum, [337]
America’s First Horseless Carriage, [290]
an Automobile Factory, [518]
an Up-to-date Farm, [556]
Coal Mining, [244]
Electricity in the Home, [200]
Leather, [580]
Rope, [121]
Rubber, [98]
Salt, [473]
Self-loading Pistols, [139]
the Addressograph, [364]
the Advance of Electricity, [273]
the Big Redwood Trees, [304]
the Building of a Silo, [271]
the Calculating Machine, [345]
the Growth of the Motor Truck, [481]
the Motion Picture-Projecting Machine, [575]
the Motorcycle, [52]
the Panama Canal, [17]
the Submarine, [9]
the Taking of Food from the Air, [458]
the Tunnels Under the Hudson River, [492]
the Wireless Telegraph, [263]
Stoves, Electric, [208]
Straightening Crank Shafts, [533]
Street Cars, Gasoline, Electric, [215]
Submarines, [9]
Subway Construction, [283]
Suction Dredges, [23], [27]
Sugar Beets, [464]
Sugar Cane, [459]
Sugar-coating Machines, [338]
Sulphuric Ether, [336]
Sun, [181]
Sun Dials, [61]
Swine, [293]
Swing Bridges, [466]
Switchboards, [519]
Synthetic Precious Stones, [361]
Table Appliances, [205]
Table-ware, [253], [333]
Tack-pulling and Resetting Machines, [440]
Taking Food from the Air, [458]
Talking Machines, [43]
Tanning, [580]
Tar, Pine, [129], [134]
Tarantulas, [146]
Tawing, [583]
Teeth, Chattering, [182]
Telegraph, Wireless, [263]
Telephone, [217]
Telephone, Wireless, [226]
Temperature, [315]
Temperature Regulation, Foundry Furnaces, [534]
Tension Spokes, [342]
Third Rails, [283]
Thistle, [593]
Threshers, [560]
Throat, [308]
Time, [61]
“Times Square,” [274]
Tip-punching Machines, [439]
Tires, Automobile, [117]
“Tirth’s Stainless Steel,” [333]
Toasters, Electric, [205]
Tobacco, [458]
Torpedo Guns, [404]
Torpedoes, Gyroscope Equipment, [74]
Torpedoes, Toys, [153]
Tortoises, [171]
Totem Poles, [149]
“Touching Glasses,” [231]
Towline, [126]
Traction Elevators, [233]
Tractors, Kerosene, [561]
Train Chart, [283]
Trains, [541]
Trans-Atlantic Submarine Navigation, [14]
Transcontinental Line, [225]
Transmission, Electric, [261], [363]
Transmission Covers, Auto, [526]
Traveling Belt Conveyors, [535]
Traveling Cranes, [536]
Trawls, [327]
Trees, Apple, [136]
Buried, [247]
Cocoanut, [214]
Cow, [383]
Date, [97]
Fig, [198]
Forestry, [267]
Petrified, [49]
Redwood, [304]
Rubber, [108]
Trench Artillery, [390]
Tri-cars, [55]
Trinity Church, [308]
Trucks, Electric, [278]
Electric Baggage, [545]
Fire, [451]
Motor, [223], [451], [481], [557]
“Tune the old cow died of,” [539]
Tunneling Shields, [494]
Tunnels, [492], [520]
Turbine Generators, [465]
Turrets, [426]
Twine Binders, [570]
Twin Edge Setting Machines, [445]
Type, [172]
Under-water Boats, [9]
Under-water Construction, [492]
U. S. Battleship “Arizona,” also “Nevada” and “Oklahoma” Type, [266]
U. S. Battleship “Mississippi,” [160]
U. S. Battleship “Ohio,” [22]
U. S. Guns, [386]
U. S. Mint, Philadelphia, [449]
Upper-trimming Machines, [439]
Vacuum Cleaners, Electric, [212]
Vacuum Dryers, [107], [112]
Vamp Creasing Machines, [446]
Vanadium Steel, [533]
Vats, Tanning, [581]
Vaults, [427]
Ventilating Systems, [221], [247], [298], [520]
Vessels, Fishing, [325]
Veterinarians, Government, [298]
Vulcanizing, [105], [115]
Wall Street, [307]
Washington Union Station, [546]
Watches, [61]
Watches, Nautical, [317]
Water, [308], [333], [336], [411]
Water Bottles, [118]
Water Clocks, [63]
“Water-finders,” [199]
Water Fireworks, [158]
Water-power, [461]
Waterproofing, [106]
Water-towers, [457]
Weather Bureau, [58]
Weight of Projectiles, [398]
Wells, [96], [199]
Wells, Salt, [473]
Welt and Turn Machines, [445]
Welt Lasting Machines, [440]
Wetterhorn Mountain, [120]
What Animals are the best Architects? [51]
What are Cyclones? [450]
Dreams? [182]
Dry Docks like? [159]
“Fighting Fish”? [199]
Petrified Forests? [49]
White Blackberries like? [317]
What causes a Lump in a Person’s Throat? [308]
an Echo? [574]
Floating Islands? [504]
What do we mean by an “Eclipse”? [181]
“Deviation of the Compass”? [435]
“Hobson’s Choice”? [169]
the “Flying Dutchman”? [180]
“The Old Moon in the New Moon’s Arms”? [356]
What does the biggest Fish ever caught look like? [468]
expression “Showing the White Feather” come from? [231]
Sheep-Grower get for the wool in a Suit of Clothes? [252]
What Family has over [9],000,000 members? [216]
What happens when Animals Hibernate? [241]
What is a Deep Sea Diver’s Dress like? [411]
Dictagraph? [262]
Diesel Engine like? [252]
Diving Bell? [489]
“Divining Rod”? [199]
Drawbridge like Today? [466]
“Drying Machine” like? [372]
Game Preserve? [270]
Geyser? [40]
“Glass Snake”? [583]
Mexican Bull-fight like? [363]
Silo? [271]
What is an Aerial Railway like? [120]
Armored Railway Car like? [370]
“Electric Eel”? [472]
Electro-magnet? [317]
up-to-date Farm like? [556]
What is Cork? [385]
“Dry Farming”? [372]
Forestry Work, [267]
Rubber? [98]
Spontaneous Combustion? [42]
“Standard Gold”? [448]
What is the difference between a Cruiser and a Battleship? [478]
difference between “Alternating” and “Direct” Current? [363]
Greatest Discovery of the last twenty-five years? [458]
Hottest place in the U. S.? [315]
Natural Color of Goldfish? [377]
principle of “Foreign Exchange”? [356]
What kind of a Crab Climbs Trees? [138]
Dogs are Prairie Dogs? [42]
Steel Knives do not Stain or Rust? [333]
What makes a Chimney Smoke? [158]
a Stick seem to Bend in Water? [308]
our Teeth Chatter? [182]
What Metals can be Drawn into Wire best? [450]
What Progress has been made toward Universal Service since the opening of the Transcontinental Telephone Line? [226]
What started the habit of Touching Glasses before drinking? [231]
What was the “Court of Love”? [363]
the origin of Masonic Signs? [262]
What were “Ducking Stools”? [379]
Hour Glasses originally used for? [63]
the First Apartment Houses in this country? [336]
When does a Tortoise move quickly? [171]
When is Exchange at Par? [356]
When was “Liquid Fire” first used in Warfare? [377]
New York the Capital of this Country? [379]
Where are Fireflies used for Domestic Lighting? [161]
Milk-pails filled from Trees? [383]
Where did the Ferris Wheel get its name? [342]
Where do Dates come from? [97]
Figs come from? [199]
Pearls come from? [385]
Where does Ermine come from? [356]
Rubber come from? [98]
White Blackberries, [316]
“White Elephant,” [435]
Who discovered Rubber? [98]
the Slide Rule Principle? [348]
Who invented Arms and Ammunition? [76]
Who made the first American Automobile? [290]
the first practical Talking Machine? [43]
Why are Finger-prints used for Identification? [74]
Why are they called “Newspapers”? [121]
Why are Windows broken by Explosions? [231]
Why do Lobsters Change Colors? [384]
some of us have Freckles? [412]
Why do they call it “Shibboleth”? [588]
call them “Fiddler-crabs”? [229]
have a Dog-watch on Shipboard? [317]
say “The King can do no Wrong”? [466]
Why do we always shake Hands with our Right Hand? [308]
Why do we call a Man “A Benedict” when he Marries? [149]
Why do we call it “Denatured Alcohol”? [478]
“Hob-Nobbing”? [231]
the “Adam’s Apple”? [321]
the “Almighty Dollar”? [355]
Why do we call them “Artesian Wells”? [96]
“Cravats”? [270]
“Dog-days”? [301]
“Sandwiches”? [119]
“X-Rays”? [169]
Why do we call 32° above Zero “Freezing”? [336]
Why do we Count in Tens? [345]
Why do we Dream? [182]
get Hungry? [588]
say “a White Elephant”? [435]
say “Get the Sack”? [169]
say “Kick the Bucket”? [171]
say “the Tune that the Old Cow Died of”? [539]
Smile when we are Pleased? [412]
Why does a Duck’s Back shed Water? [180]
Why does a Lightning Bug light her Light? [161]
rope cling together? [136]
shaking the head mean “No”? [149]
Why doesn’t the sky ever Fall Down? [180]
Why is it called “Battery Park”? [379]
“Death Valley”? [315]
“Lynching”? [355]
Why is it necessary to keep unusually quiet when fishing? [333]
Why is the Thistle the Emblem of Scotland? [593]
Why is there always a soft spot in a cocoanut shell? [214]
Why is “Wall Street” known round the World? [308]
Why were rubber trees called “Siphonia”? [108]
Windows, [231]
Wire, [118], [132]
Wire-drawing, [450]
Wireless Telephone and Telegraph, [263]
Wire Stitching Machines, Magazines, [287]
Wood, Apple, [136]
Cocoanut, [214]
Redwood, [272], [304]
Wool, [252]
Woolworth Building, [234]
Wrapper, Leaf Tobacco, [458]
Wrecking Apparatus, [16]
“X”-Rays, [169]
X-Ray View of a New York Street Crossing, [503]
X-Ray View of Underground Tunnel Construction, [502]
“Yankee,” [171]
Yard Measure, [61]
“Yes,” [149]
“Zeppelins,” [511]