[Academy of Sciences, New York.]117
[Answers to correspondents.]123
[Arts, lost, in New York.]113
[Augers and drills (16).]123
[Bain, Alexander.]121
[Blue glass deception, the.]113
[Blue glass science.]121
[Boilers for small engines (2, 14).]123
[Business and personal.]123
[Caffeone.]114
[Chromate of lime, acid (18).]123
[Circle problem, the three (8).]123
[Clock collector, a.]119
[Coal, burning small (19).]123
[Cremation temple, proposed*.]119
[Dark days (11).]123
[Dates and the date palm*.]111
[Diseases, infections.]121
[Dyeing process, a cold (9).]123
[Engines for boats (12).]123
[Floors, filling for hardwood (6).]123
[Friction at rest (15).]123
[Frost plant of Russia, the*.]116
[Glass making, toughened.]121
[Greenhouses, tar paint in (3).]123
[Harness cockeye, improved*.]118
[Heating ranges (17).]123
[Heating rooms (7).]123
[Hemi-plunger, the.*]115
[Hens, Leghorn.]114
[Ink, purple marking.]117
[Iron trade in England.]117
[Laboratory manipulations.]117
[Lathe chuck.*]118
[Lathe, screw-cutting.*]118
[Lead, sea water and.]119
[Moneyed men.]122
[Mortar, black (10).]123
[New books and publications.]122
[Ornaments in winter, natural.]118
[Papin's steam engine.*]120
[Patent decision, a.]115
[Patent matters in Washington.]116
[Patent office annual report.]117
[Patents, American and foreign.]122
[Patents, official list of.]124
[Planing mill machinery.]115
[Posterity, for—a suggestion.]112
[Railroad, the Wetli mountain.*]114
[Rock sections for microscopy.]117
[Roofs, leaky slate (1).]123
[Rose bushes, soot for.]119
[Salicylic acid for the feet.]115
[Sawdust in rough casting.]114
[Seed-distributing panthers.]111
[Self-reliance and success.]121
[Snow a fertilizer.]119
[Something to do.]121
[Spectroscope prisms (11).]123
[Steam engine, Papin's.]120
[Steam engine, the Brown.]120
[Suicide statistics.]116
[Telegraph, the speaking.]120
[Trolling hook, improved*.]114
[Watch, position of a (13).]123
[Waterproofing, suint for.]114
[White color in animals.]114
[Wire, crossing a river on a.]121
[Wool, purifying.]114
[Zinc roofs (4).]123

TABLE OF CONTENTS OF

THE SCIENTIFIC AMERICAN SUPPLEMENT,

No. 60,

For the Week ending February 24, 1877.

I. ENGINEERING AND MECHANICS.—Artificial Production of Ice by Steam Power—The American Roller Skate Rink, Paris, 1 engraving.—The Little Basses Light House, 4 figures.—The Souter Point Electric Light.—On the Minute Measurements of Modern Science, by ALFRED MAYER.—Method of Measuring by Means of the Micrometer Screw furnished with the Contact Level; Method of Electric Contact Applied to Measurements with the Micrometer Screw, 2 engravings.—Abstracts from Report of the Boston Society of Civil Engineers on the Metric System.—New Turret Musical and Chiming Clock for the Bombay University, with 1 page of engravings.—Water Gas and its advantages, by GEO. S. DWIGHT.—Brattice Cloths in Mines.—Eight Horse Power Portable Steam Engine, with dimensions, particulars, and 1 page of engravings.—Clyde Ship Building and Marine Engineering in 1876.—Four Masted Ships.—New Bridges at and near New York city.—The Sutro Tunnel.—Independent Car Wheels.—Passenger Travel, New York city.

II.—TECHNOLOGY.—Design for Iron Stairway, and Iron Grilles, with 3 engravings.—The Process of Micro-photography used in the Army Medical Department.—Direct Positives for Enlarging.—A Monster Barometer.—Architectural Science, Carpentry Queries and Replies.—The Carpet Manufactures of Philadelphia. How the Centre Selvage is Formed, 3 figures.—Glass of the Ancients.—On the Preservation of Meat; a resume of the various methods now practiced.—California Pisciculture.—Savelle's System of Distillation, 2 engravings.—New Bromine Still, by W. Arvine, 1 engraving.—The Phoenix Steam Brewery, New York.—French Cognac Distillation, 1 engraving.—Schwartz's Sugar Refinery, London. General description of the establishment.—Vienna Bread and Coffee.—How Pictorial Crystals are Produced and Exhibited.

III. LESSONS IN MECHANICAL DRAWING. New Series. By Professor C.W. MacCord; with several engravings.

IV. ELECTRICITY, LIGHT, HEAT, SOUND, ETC.—Magnetic Action of Rotatory Conductors.—The Sensation of Sound.—Sympathetic Vibration of Pendulums.—Protection from Lightning.—Musical Tones, photograph of.