NEW YORK, MARCH 21, 1885
Reading edition
Scientific American Supplement. Vol. XIX, No. 481.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
TABLE OF CONTENTS.
I. ENGINEERING AND MECHANICS.—The Righi Railroad.—With 3 engravings.
The Chinese Pump.—1 figure.
The Water Clock.—3 figures.
New Self-propelling and Steering Torpedoes.
Dobson and Barbour's Improvements in Heilmann's Combers.—1 figure.
Machine for Polishing Boots and Shoes.
II. TECHNOLOGY.—The Use of Gas in the Workshop.—By T. FLETCHER.—Placing of lights.—Best burners.—Light lost by shades.—Use of the blowpipe.—Gas furnaces.—Gas engines.
The Gas Meter.—3 figures.
The Municipal School for Instruction in Watchmaking at Geneva.—1 engraving.
III. ELECTRICITY, ETC.—Personal Safety with the Electric Currents.
A Visit to Canada and the United States; or, Electricity in America in 1884.—By W.H. PREECE.
IV. ARCHITECTURE.—The House of a Thousand Terrors, Rotterdam.—With engraving.
V. GEOLOGY.—On the Origin and Structure of Coal,—With full page of illustrations.
VI. POLITICAL ECONOMY.—Labor and Wages in America.—By D. PIDGEON.—Who and what are the operatives.—Native labor.—Alien employes.—Housing of labor.—Sobriety.—Pauperism.—Artisans' homes.—Interest of employer in the condition of his employes.—Wages in Europe and America.—Expenditures of workingmen.—Free trade and protection.
VII. MISCELLANEOUS.—Ice Boat Races on the Mueggelsee, near Berlin.—With engraving.
VIII. BIOGRAPHY.—DUPUY DE LOME—With portrait.