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Features

The Canet Torpedo Discharge Tubes

On Gas Engines

The Simplex Engine

By Edward Delamare-Deboutteville

Compound Locomotives

The Ten Ton Electric Traveling Cranes at the Paris Exhibition

A Simple Electrical Apparatus

The Electrolysis of Distilled Water

By M. E. Duter

The Dynamo

Protective Paints

Fusible Plugs

Drying Plant for Wet Feed

By S. E. Worrell

A System of Marking Patterns, Tried in the Shop — With some Remarks upon Economy as Viewed in the Pattern

By A. J. Frith

Silicon in Pig Iron

By Clemens Jones

Optical Torque

By Silvanus P. Thompson

The Solar Surface during the Last Ten Years

By S. J. Perry

Arsenic as a Poison and a Medicine

The Germans in East Africa

Joseph Wade, Centenarian

A Short Account of the Opium Industry in the N. W. Provinces and Oudh

By P. A. Weir

Sewage Works for Large and small Towns

The Kingston Sewage Works

On the Intentional Importation of Parasites and Natural Enemies of Insects Injurious to Vegetation

By C. V. Riley

Building Plans and Specifications

Thiocamf—A New Disinfectant Material

By J. Emerson Reynolds

Useful Engineering Books

Vegetable Skatole

By Wyndham R. Dunstan

Departments

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September 21, 1889

Think Outside the Gift Box