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Features

Bread Ovens for Armies in the Field

How to make Photo Printing Plates

Hydrokinone as a Developer of Dry Plates

By C. E. Von Sothen

The Conversion of Natural Gas into Illuminating Gas

An Improved Form of Elliott's Gas Apparatus

By J. B. Mackintosh

New Apparatus for Condensing Gases by Contact with Liquids

By Lunge

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 Ceylon Pearl Fishery

The Tree of Heaven

By W. Goldring

The Estimation of Carbonic Acid in Beer

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

Spiritus Ætheris Nitrosi

The Total Eclipse of Last August in Japan

Synthesis of Water

Building Plans and Specifications

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November 26, 1887

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