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German Men of War

New System of Inclined Plane for Boats

A French Gun for Colonial Service

Four-Seat “Devon” Hansom Cab

Point Bridge, Pittsburg, Pa

Lagerman's Composing Machine

The Monitograph

A Rocking Apparatus for use in Developing Dry Plates

By J. M. Eder

The Johnson Filter

Separating Zinc

By W. Hampe

Oxalate of Potash Developer

New Tourist Camera

Minute-Glass with Alarm

Billet's Improved Burette

A New Process for Effecting the Liquefaction of Oxygen

By L. Cailletet

Glycerine and its Uses

By F. H. Alcock


Oxygenated Water

Electrolytic Quantitative Analysis

By Alexander Classen

The Topophone

Fonvielle & Lontin's Electrical Motor

On the Changes Produced by Magnetization in the Length of Rods of Iron, Steel, and Nickel

By Shelford Bidwell

The Resources of Alaska

By Frederick Schwatka

A Mechanical Bird Made of Paper

Quito, Ecuador

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

By Joseph Prestwich

Sunlight and the Earth's Atmosphere

The Papaw

Atmospheric Electricity

By L. Palmieri

The Civet Cat


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July 04, 1885

20% Sitewide for President's Day