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Bread Ovens for Armies in the Field

How to make Photo Printing Plates

The Conversion of Natural Gas into Illuminating Gas

Hydrokinone as a Developer of Dry Plates

By C. E. Von Sothen

New Apparatus for Condensing Gases by Contact with Liquids

By Lunge

An Improved Form of Elliott's Gas Apparatus

By J. B. Mackintosh

Improved Flax Scutching Machine

Telegraphy without Wires

No. 80 Torpedo Boat

The Progress and Development of the Marine Engine

By Frank C. Marshall

An Improved Triple Expansion Engine

By Wm. M. Henderson

History of Submarine Mining

By Samuel Rodman

An Introduction to the Study of the Influence of Diet in the Production and Treatment of Skin Diseases

By James C. White

The Tree of Heaven

By W. Goldring

The Ceylon Pearl Fishery

The Estimation of Carbonic Acid in Beer

By C. A. Crampton and T. C. Trescot

Spiritus Ætheris Nitrosi

Synthesis of Water

The Total Eclipse of Last August in Japan

Building Plans and Specifications


  • Departments

    Patents - November 26, 1887

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