INDEX.
Numbers refer to paragraphs. See [Table of Contents] for the titles of the various chapters.
Action of magnets upon each other, [32].
Adjuster, for lamp cords, [151].
Air pressure, effect of spark upon, [155].
Aluminum-leaf, for electroscopes, [5].
Alternating current, [129], [130];
system of wiring for, [144].
Amalgamation of zincs, [47].
Amber, electrification upon, [3].
Ammeter, the, [74];
how placed in circuit, [77].
Ampere, the, [72].
Annunciators, [177].
Anode, [79], [82].
Apparatus for electrical measurements, [Chap. VI].
Appliances, for distribution of currents, [141];
for electric railways, [167];
for heating by electricity, [147].
Arc, the electric, [152].
Arc lamp, the, [153];
how light is produced by, [Chap. XXI]I.;
double carbon, [153];
hand-feed focussing, [153];
for search-lights, [153];
short, for basements, [153];
single carbon, [153];
for theater use, [153].
Armature, of dynamo, [127], [129];
of electromagnets, [98];
of horseshoe magnet, [26];
of motors, [161];
uses of, [39].
Artificial magnets, [25].
Astatic, detectors, [94];
galvanometer, [73];
needles, [94].
Aurora borealis, [23].
Automatic, current interrupters, [104], [115];
gas lighters, [174];
program clocks, [172].
Automobiles, [169];
controllers for, [169];
motors for, [169];
steering of, [169];
storage batteries for, [169].
Bamboo filaments, [149].
Bar magnets, [27];
magnetic figures of, [38].
Batteries, large plunge, [54];
plunge, [53];
secondary, [86];
storage, and how they work, [Chap. IX].
Bell, the electric, and some of its uses, [Chap. XV].;
electric, [116];
magneto testing, [117];
trembling, etc., [116].
Bell transmitter, [120].
Belts, electricity generated by friction upon, [1].
Benjamin Franklin, [18].
Bichromate of potash cells, [51], etc.
Binding-posts, [Chap. V].;
common forms of, [63].
Blasting, by electricity, [147];
electric machines for, [147].
Bluestone cell, [56].
Boats, electric, [168].
Boilers, use of in central stations, [170].
Bones, photographed by x-rays, [Chap. XXIII].
Boosters, [136].
Brushes, [129].
Bunsen cells, [56]a.
Burner, automatic, [174];
for gas-lights, [174];
ratchet, [174].
Buzzers, electric, [118].
Cables and wires, [143].
Call boxes, electric, [173].
Carbon, in arc lamps, [152], [153];
filament, [149];
transmitter, [123].
Carpet, electricity generated upon, [1].
Cars, electric, [164];
controllers for, [165];
heating by electricity, [167];
overhead system for, [166];
underground system for, [166].
Cat, electricity generated upon, [1].
Cathode, definition of, [79];
rays, [157].
Cells, Bunsen, [56]a;
bichromate of potash, [51];
closed circuit, [50];
dry, [58];
Edison-Lelande, [59];
electricity generated by, [Chap. III].;
Fuller, [55];
Gonda, [57];
gravity, [56];
Grenet, [52];
Leclanché, [57];
open circuit, [50];
plates and poles of, [45]a;
polarization of, [48];
simple, [45], [49];
single-fluid, [49];
two-fluid, [49];
various voltaic, [Chap. I]V.
Central stations, [170];
a word about, [Chap. XXVI].
Chain lightning, [19].
Chafing-dishes, electrical, [147].
Charging condensers, [15].
Chemical action, and electricity, [81].
Chemical effects of electric current, [Chap. VII].
Chemical meters, [78].
Church organs, pumped by motors, [162].
Circuits, electric, [50];
for lamps, [144].
Cleats, porcelain, [141];
wooden, [141].
Clocks, automatic electric, [172].
Closed circuit cells, [50].
Coils, induction, and how they work, [Chap. XIII].;
induction, construction of, [104];
method of joining, [98];
primary and secondary, [103];
resistance, [69];
rotation of, [95];
of transformers, [135].
Collectors on dynamos, [129].
Commutators, [129].
Compasses, magnetic, [31].
Compound, magnets, [28];
wound dynamo, [131].
Condensation of static electricity, [15].
Condensers, [15];
for induction coils, [104].
Conductors, and insulators, [4], [138].
Conduits, electric, [140].
Connections, electrical, [60];
for telegraph lines, [111].
Controllers, for automobiles, [169];
for electric cars, [165].
Copper sulphate, effects of current on, [82];
formula of, [79].
Copper voltameters, [75].
Cords, adjustable for lamps, [151].
Coulomb, the, [76].
Crater of hot carbons, [152].
Crookes tubes, [156], [158].
Current, detectors, [93];
direction of in cell, [46];
from magnet and coil, [100];
from two coils, [102];
induced, [127];
of induction coils, [105];
interrupters, automatic, [104], [115];
local, [47];
primary and secondary, [102];
transformation of, [Chap. XVIII].;
transmission of, [134].
Currents, and motion, [160];
how distributed for use, [Chap. XIX].
Current strength, [71];
measurement of, [73];
unit of, [72].
Cylinder electric machines, [9].
Daniell cell, [56].
D'Arsonval galvanometer, [73].
Declination, [41].
Decorative incandescent lamps, [151].
Dental, lamps, [151];
outfits, [176].
Detectors, astatic, [94];
current, [93].
Diamagnetic bodies, [29].
Diaphragm for telephones, [120].
Dip, of magnetic needle, [42].
Direct current, [129], [130].
Direction of current in cell, [46].
Discharging condensers, [15].
Disruptive discharges, [154].
Distribution of currents for use, [Chap. XIX].
Door opener, electric, [175].
Dots and dashes, [110].
Drill press, run by motor, [162].
Dry cells, [58].
Dynamo, the, [126];
alternating current, [130];
commutator of, [129];
compound wound, [131];
direct current, [130];
lamps connected to, [132];
series wound, [131];
shunt wound, [131];
used as motor, [161];
use of in central stations, [170];
used with water power, [170].
Dynamos, electricity generated by, [Chap. XVII].;
types of, [130];
various machines, [132];
winding of, [131].
Dynamotors, [137].
Earth, inductive influence of, [43];
lines of force about, [40], [42].
Ebonite, electricity by friction upon, [3], [4].
Edison-Lelande cells, [59].
Electric, automobiles, [169];
bell, and some of its uses, [Chap. XV].;
boats, [168];
buzzers, [118];
cars, [164];
conduits, [140];
fans, [162];
flat-irons, [146];
gas lighters, [174];
griddles, [147];
kitchen, [147];
lights, arc, [Chap. XXII].;
lights, incandescent, [Chap. XXI].;
machines, static, [7] to 13;
machines, uses of, [14];
motor, the, [161];
motor, and how it does work, [Chap. XXIV].;
soldering irons, [146];
telegraph, and how it sends messages, [Chap. XIV].;
telephone, and how it transmits speech, [Chap. XVI].;
welding, [146].
Electric current, and work, [133];
and chemical action, [81];
chemical effects of, [Chap. VII].;
how distributed for use, [Chap. XIX].;
magnetic effects of, [Chap. XI].;
how transformed, [Chap. XVIII].
Electrical, connections, [60];
horse-power, [77];
measurements, [Chap. VI].;
resistance, [68];
resistance, unit of, [69];
units, [Chap. VI].
Electricity, about frictional, [Chap. I].;
and chemical action, [81];
atmospheric, [18];
heat produced by, [Chap. XX].;
history of, [3];
how generated upon cat, [1];
how generated by dynamos, [Chap. XVII].;
how generated by heat, [Chap. X].;
how generated by induction, [Chap. XII].;
how generated by voltaic cell, [Chap. III].;
origin of name, [2].
Electrification, kinds of, [6];
laws of, [7].
Electrolysis, [79].
Electrolyte, [79].
Electromagnetic induction, [99].
Electromagnetism, [91].
Electromagnets, [96];
forms of, [97].
Electro-mechanical gong, [116].
Electromotive force, defined, [65], [71];
measurement of, [67];
of polarization, [85];
of static electricity, [17];
unit of, [66].
Electrophorus, the, [8].
Electroplating, [82].
Electroscopes, [5].
Electrotyping, [83].
Experiments, early, with currents, [44];
some simple, [1].
External resistance, [68].
Fan motors, [162].
Field, magnetic, [37].
Field-magnets, [129].
Figures, magnetic, [38].
Filaments, carbon, [149];
bamboo, etc., [149].
Fire, St. Elmo's, [22].
Flat-irons, electric, [147].
Floor mains, [139].
Fluoroscope, [158].
Force, and induced currents, [101];
lines of magnetic, [38];
lines of about a wire, [92], [96];
lines of about a magnet, [37], [38].
Frictional electricity, about, [Chap. I].;
location of charge of, [4];
sparks from, [4].
Fuller cell, the, [55].
Fuse, link, [142];
plug, [142];
ribbons, [142];
wire, [142].
Fusible rosettes, [142].
Galvani, early experiments of, [44].
Galvanometers, [73];
astatic, [73];
considered as motor, [161];
D'Arsonval, [73];
tangent, [73].
Galvanoscope, [73];
astatic, [94].
Gas lighters, electric, [174].
Geissler tubes, [156].
Generators, electric, [126].
Glass, electricity generated upon, [4].
Glue pots, electric, [147].
Gold-leaf, for electroscopes, [5].
Gold plating, [82].
Gonda cell, [57].
Gong, electro-mechanical, [116].
Gravity cell, the, [56];
replaced by dynamotors, [137].
Grenet cell, [52].
Griddles, electric, [147].
Guard, for lamps, [151].
Heat, how generated by electricity, [Chap. X].;
and magnetism, [35];
and resistance, [145].
Heat lightning, [19].
Heaters, for cars, [167].
History of electricity, [3].
Horse-power, electrical, [77].
Horseshoe, permanent magnets, [26];
electromagnets, [97], [98].
Human body, bones of, photographed by x-rays, [Chap. XXIII].
Hydrogen, action of in cell, [48];
attraction of for oxygen, [85].
Incandescence, [148].
Incandescent lamp, [149];
candle-power of, [150];
current for, [150];
light produced by, [Chap. XXI].;
construction of, [149];
uses of, [151].
Inclination of magnetic needle, [42].
Indicating push-button, [61].
Induced currents, [127];
and lines of force, [101];
by rotary motion, [128];
of induction coils, [105];
of transformers, [135].
Induced magnetism, [36].
Induction, electricity generated by, [Chap. XII].;
electromagnetic, [99].
Induction coils, condensers for, [104];
construction of, [104];
currents of, [105];
how they work, [Chap. XIII].;
in telephone work, [124];
uses of, [106].
Inductive influence of earth, [43].
Influence machines for medical purposes, [13].
Ink writing registers, [114].
Insulating tubing, [141].
Insulators, [141];
and conductors, [4], [138];
feeder-wire, [167];
for poles, [167];
porcelain, [141].
Internal resistance, [68].
Interrupters, automatic current, [104], [115].
Ions, [80].
Iron, electricity upon, by friction, [4].
Jar, Leyden, [15].
Jarring magnets, effects of, [33].
Keeper of magnets, [26].
Keys, telegraph, [109].
Kinds of electrification, [6].
Kitchen, electric, [147].
Knife switch, [62].
Lamp, incandescent, candle-power of, [150];
cord, adjustable, [151];
current for, [150];
dental, [151];
for desks, [151];
for throat, [151];
guard for, [151];
incandescent, [149];
socket, [151];
with half shade, [151].
Lamp, the arc, [153];
how light is produced by, [Chap. XXII].;
double carbon, [153];
hand-feed focussing, [153];
for search-lights, [153];
single carbon, [153];
short, for basements, [153];
for theater use, [153].
Lamp circuits, alternating system, [144].
Lamps, in parallel, [144];
lamps in series, [144];
three-wire system, [144];
two-wire system, [144].
Laws, of electrification, [7];
of magnetic attraction, [32];
of resistance, [70].
Leaf electroscopes, [5].
Leclanché cell, [57].
Leyden, battery, [16];
jar, [15].
Light, how produced by arc lamp, [Chap. XXII].;
how produced by incandescent lamp, [Chap. XXI].
Lightning, [19];
rods, [21].
Line, telegraph, [Chap. XIV].;
connections for, [111];
operation of, [112].
Line suspension, for trolley-wires, [167].
Line wire, [111].
Lines of force, conductors of, [39], [96];
about the earth, [40], [42];
and induced currents, [101];
about a magnet, [38];
about a wire, [92].
Local currents, [47].
Magnetic, bodies, [29];
declination, [41];
effects of electric current, [Chap. XI].;
field, [37];
figure of one bar magnet, [38];
figure of two bar magnets, [38];
figure of horseshoe magnet, [38];
needle, dip of, [42];
needles and compasses, [31].
Magnetism, and heat, [35];
induced, [36];
laws of, [32];
residual, [34];
retentivity, [34];
temporary, [36];
terrestrial, [40];
theory of, [33].
Magneto, signal bells, [117];
testing bells, [117];
transmitter, [120].
Magnets, action upon each other, [32];
artificial, [25];
bar, [27];
compound, [28];
effects of jarring, [33];
electro, [96];
electro, forms of, [97];
horseshoe, [26];
and magnetism, about, [Chap. II].;
making of, [30];
natural, [24].
Mains, electric, [139].
Man-holes, in conduits, [140].
Measurements, electric, [Chap. VI].;
of current strength, [73];
of E.M.F., [67].
Meters, chemical, [78];
permanent record, [77].
Microphone, the, [122].
Motion and currents, [160].
Motor, acting like dynamo, [163];
armature of, [161];
controlling speed of, [165];
electric, [161];
electric, and how it does work, [Chap. XXIV].;
fans, [162];
for automobiles, [169];
for boats, [168];
for pumping bellows, [162];
for running drill press, [162];
parts of, [162];
starting boxes for, [163];
uses of, [162].
Motor-dynamos, [136].
Mouldings, for wires, [141].
Name, electricity, origin of, [2].
Natural magnets, [24].
Needles, astatic, [94];
dipping, [42];
magnetic, [31].
Negative electrification, [5].
Non-conductors, [4].
North pole, magnetic of earth, [40];
of magnets, [26].
Northern lights, [23].
Ohm, the, [69].
Open circuit cells, [50].
Openers, for doors, [175].
Outfits, dental, [175].
Overhead trolley system, [166].
Oxygen, attraction for hydrogen, [85].
Parallel arrangement of lamps, [144].
Peltier effect, [89].
Pendant, electric, [151].
Pith-ball electroscope, [5].
Plate electrical machine, [10].
Plates of cells, [45]a.
Plunge batteries, [53];
large, [54].
Polarity of coils, [95].
Polarization, [84];
electromotive force of, [85];
of cells, [48].
Pole-changing switch, [62].
Poles, of cells, [45]a;
of horseshoe magnet, [26].
Positive electrification, [6].
Potential, defined, [65].
Push-buttons, [Chap. V].;
indicating, [61];
modifications of, [61];
table clamp, [61].
Quantity of electricity, [76];
unit of, [76].
Rays, cathode, [157];
x-rays, [158].
Receiver, telephone, [121].
Reflectors, for lamps, [151].
Registers, ink writing, [114].
Relay, the, [113].
Residual magnetism, [34].
Resistance, coils and boxes, [69];
electrical, [68];
external, [68];
and heat, [145];
internal, [68];
laws of, [70];
unit of, [69].
Retentivity, [34].
Risers, in buildings, [139].
Rods, lightning, [21].
Roentgen, Prof., [158].
Rosette, fusible, [142].
Running-gear, of automobiles, [169].
Safety, devices, [142];
fuse, [142];
fuse link, [142];
fuse plug, [142];
fuse ribbon, [142];
fuse wire, [142].
Search-lights, [153];
signals sent by, [153].
Secondary batteries, [86];
uses of, [87].
Series arrangement of lamps, [144].
Series wound dynamo, [131].
Service wires, [139].
Shunt-wound dynamo, [131].
Signal bells, magneto, [117].
Simple cell, the, [45], [49].
Single-fluid cells, [49].
Single-point switch, [62].
Single-stroke bell, [116].
Socket, for incandescent lamps, [151].
Soldering irons, electric, [147].
Sounders, telegraph, [110];
home-made, [110].
Spark, effect of air pressure on, [155].
Sparks, from cells, [17];
from frictional electricity, [4].
St. Elmo's fire, [22].
Starting boxes, for motors, [163].
Static electric machines, [8].
Static electricity, condensation of, [15];
electromotive force of, [17];
to test presence of, [5];
uses of, [14].
Steam engines, in central stations, [170].
Steel, inductive influence of earth upon, [43];
retentivity of, [26].
Storage batteries, the, and how they work, [Chap. IX].;
for automobiles, [169];
for boats, [168];
for natural sources of power, [87].
Stoves, electric, [147].
Strength of current, [71];
measurement of, [73];
unit of, [72].
Switchboards, [62].
Switches, [Chap. V].;
knife, [62];
pole-changing, [62];
single point, [62];
for trolley lines, [167].
Table clamp-push, [61].
Tangent galvanometer, [73].
Teakettles, electric, [147].
Telegraph, electric, and how it sends messages, [Chap. XIV].;
ink writing registers, [114];
keys, [109];
relay, [113];
sounders, [110].
Telegraph line, [107], [108];
operation of, [112];
simple connections of, [111].
Telephone, the, and how it transmits speech, [Chap. XVI].;
receiver, [121];
transmitter, [120];
use of induction coil with, [124];
various forms of, [125].
Temporary magnetism, [36].
Terrestrial magnetism, [40].
Theory of magnetism, [33].
Thermoelectricity, [88].
Thermopiles, [90].
Three-wire system, [144].
Throat, lamp for, [151].
Thunder, [20].
Toepler-Holtz machines, [11].
Transformers, [135].
Transforming electric current, [Chap. XVIII].;
for electric welding, [146].
Transmission of currents, [134].
Transmitter, Bell, [120];
carbon, [123].
Trembling bell, [116].
Trolley-wires, [164];
-poles, [164];
-wheels, [164].
Tubes, Crookes, [156], [158];
Geissler, [156];
vacuum, [156].
Two-fluid cells, [49].
Two-wire system, [144].
Underground trolley system 166;
conduits for, [166].
Unit, of current strength, [72];
of electromotive force, [66];
of quantity, [76];
of resistance, [69].
Units, electrical, [Chap. VI].
Uses, of armatures, [39];
of electricity, miscellaneous, [Chap. XXVII].;
of induction coils, [106];
of motors, [162];
of storage batteries, [87].
Vacuum-tubes, [156].
Variation, angle of, [41].
Volt, the, [66].
Volta, [66];
early experiments of, [44].
Voltaic cell, electricity generated by, [Chap. III].
Voltaic pile, [44].
Voltameters, [75];
copper, [75];
water, [75].
Voltmeters, [67], [77].
Water, decomposition of, [79];
power, source of energy, [170];
voltameters, [73].
Watt, the, [77].
Wattmeters, [77].
Welding, electric, [146].
Wimshurst electric machine, [12].
Wires and cables, [143].
Wiring, for alternating system, [144];
three-wire system, [144];
two-wire system, [144].
Work, and electric current, [133].
X-ray photographs, [159].
X-rays, [156];
and how the bones of the human body are photographed, [Chap. XXIII].
Yokes, [97], [98].
Zincs, amalgamation of, [47].
THINGS A BOY SHOULD KNOW
ABOUT ELECTRICITY.
By THOMAS M. ST. JOHN, Met. E.
The book contains 180 pages, and 260 illustrations; it measures
5 x 7½ in., and is bound in cloth.
PRICE, POST-PAID, $1.00.
CONTENTS: Chapter I. About Frictional Electricity.—II. About Magnets and Magnetism.—III. How Electricity is Generated by the Voltaic Cell.—IV. Various Voltaic Cells.—V. About Push-Buttons, Switches and Binding-Posts.—VI. Units and Apparatus for Electrical Measurements.—VII. Chemical Effects of the Electric Current.—VIII. How Electroplating and Electrotyping are Done.—IX. The Storage Battery and How it Works.—X. How Electricity is Generated by Heat.—XI. Magnetic Effects of the Electric Current.—XII. How Electricity is Generated by Induction.—XIII. How the Induction Coil Works.—XIV. The Electric Telegraph, and How it Sends Messages.—XV. The Electric Bell and Some of its Uses.—XVI. The Telephone, and How it Transmits Speech.—XVII. How Electricity is Generated by Dynamos.—XVIII. How the Electric Current is Transformed.—XIX. How Electric Currents are Distributed for Use.—XX. How Heat is Produced by the Electric Current.—XXI. How Light is Produced by the Incandescent Lamp.—XXII. How Light is Produced by the Arc Lamp.—XXIII. X-Rays, and How the Bones of the Human Body are Photographed.—XXIV. The Electric Motor and How it Does Work.—XXV. Electric Cars, Boats and Automobiles.—XXVI. A Word About Central Stations.—XXVII. Miscellaneous Uses of Electricity.
This book explains, in simple, straightforward language, many things about electricity; things in which the American boy is intensely interested; things he wants to know; things he should know.