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Artillery Service of the Societe Des Forges Et Chantiers

Improved Collapsible Lifeboat

Napier's Steering Gear

Drainage of the Mexico Valley

Hermann Gruson

Mineral Wax

White Woolens

Photogravure Processes

Thatch Making Machine

The Electric Mail Carrier


Underground Electric Cables

Optical Torque

By Silvanus P. Thompson

The Terrestrial Globe at the Paris Exposition

Note on the Effects Produced on Man by Subcutaneous Injections of a Liquid obtained from the Testicles of Animals

By Brown-Sequard

Tobacco Smoking as a Safeguard against Infectious Disease

Treatment of Steel by Hydraulic Pressure

The Calorific Value of Fuels

By Marcus A. Jones

Sea Boiler Deposits

Building Plans and Specifications

Useful Engineering Books


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    Patents- August 10, 1889

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