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Features
New System of Inclined Plane for Boats
German Men of War
A French Gun for Colonial Service
Lagerman's Composing Machine
Point Bridge, Pittsburg, Pa
Four-Seat “Devon” Hansom Cab
The Monitograph
Separating Zinc
W. Hampe
Minute-Glass with Alarm
Billet's Improved Burette
The Johnson Filter
A Rocking Apparatus for use in Developing Dry Plates
J. M. Eder
New Tourist Camera
Oxalate of Potash Developer
A New Process for Effecting the Liquefaction of Oxygen
L. Cailletet
Glycerine and its Uses
F. H. Alcock
Acetylene
Oxygenated Water
The Topophone
Fonvielle & Lontin's Electrical Motor
Electrolytic Quantitative Analysis
Alexander Classen
On the Changes Produced by Magnetization in the Length of Rods of Iron, Steel, and Nickel
Shelford Bidwell
The Resources of Alaska
Frederick Schwatka
Quito, Ecuador
A Mechanical Bird Made of Paper
On the Agency of Water in Volcanic Eruptions, with Some Observations on the Thickness of the Earth's Crust from a Geological Point of View, and on the Primary Cause of Volcanic Action
