Scientific American Magazine

Apparatus for Emptying Cesspools

Caoutchouc from Common Plants

Failure No. 2 of the Balloon to Europe

Technical Research and Education

The Vienna Prizes

Scientific and Practical Information - October 25, 1873

Crude Petroleum for Fuel

Recent Gunnery Trials

Street Pavements

Curiosities of Butter and Churning

Inextinguishable Fire for Life Buoys

The English Steam Launch Firefly

Peripolar Induction

Demming's Grown Sash Fastener

Improved Press for Fruit, Lard, Etc.

That Ancient Sewing Machine

Letter from United States Commissioner

Improved Railroad Switch

Palmer's Power Spring Hammer

Helicoidal Concavo-Convex Propeller

A Forty Thousand Dollar Cow

Meeting of the British Association

Rare Chance to Advertisers

A Valuble Drafting Instrument

Recent American and Foreign Patents - October 25, 1873

Answers to Correspondents - October 25, 1873

Communications Received - October 25, 1873

Correspondence - October 25, 1873

New Books and Publications - October 25, 1873

Notes and Queries - October 25, 1873

Business and Personal - October 25, 1873

Index of Inventions - October 25, 1873