SA Supplements

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

Thatch Making Machine

Photogravure Processes

White Woolens

The Electric Mail Carrier

Electrocution

Underground Electric Cables

Optical Torque

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

Tobacco Smoking as a Safeguard against Infectious Disease

Treatment of Steel by Hydraulic Pressure

The Calorific Value of Fuels

Useful Engineering Books

Sea Boiler Deposits

Building Plans and Specifications

Patents- August 10, 1889