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Features

The Maxim Automatic Gun

The New Steamship Oroya

Crank Diagrams

The New Steamer Ormuz

Water Raising Machines

Corrugated Tires

The New Tay Bridge

The New English Multicycle

Continuous Working Bag Elevator

Tannin: Its Present and Future Sources

By Henry Trimble

The Dietzsch Cement Kiln

Improved Camera Clamp and Tripod Head

Technical Training Considered as a part of a “Complete and Generous Education.”

By R. H. Thurston

Aluminum Soldering

William Henry Preece

The Standard Lamp

The Measurement of the Intensity of the Magnetic Field

Momentary Electric Lighting

The Hardness of Metals

By Thomas Turner

Hendon Sewage Works

The Map of the Heavens at the Paris Observatory

Grooming of Washington's Horses

The Capricious Candle

Building Plans and Specifications

Departments

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    Patents - July 16, 1887

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July 16, 1887