Features
On Feed-Water Injectors of Various Systems
The Panama Canal
The Sinking of the Hollandish Monitor Adder
William Stanley Jevons
Varieties of Tanned and Tawed Leather, and their Uses
Cloth Tracings
Professor F. M. Balfour
Electro-Magnetic Determination of the Mechanical Equivalent of Heat
Electrical Incandescent Lamps Acting in the Open Air
The Influence of Different Acids on Fermentation
Earth Tremors
A Differential Electric Thermoscope
The Animal Hide
Anthracene from Baku Petroleum
On the Manufacture of Sugar from Maize
The Inner Constitution of Matter
Black Walnut Leaves as a Remedy in Scrofulous and Cachectic Affections
Milk Sickness and the Volatile Metals
To the Editor of the Scientific American
A Bismuthic Hair Dye
The Dimensions of the Visible Universe
Cosmical Bombardment of the Sun.—Theory of Cometary Impact on the Solar Surface.—The Velocity of Collision, and Heat Equivalent of Velocity
Entomology in the Central Park Museum of Natural History
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