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Apparatus for Emptying Cesspools

Failure No. 2 of the Balloon to Europe

Caoutchouc from Common Plants

The Vienna Prizes

Technical Research and Education

Curiosities of Butter and Churning

Recent Gunnery Trials

Street Pavements

Scientific and Practical Information - October 25, 1873

Crude Petroleum for Fuel

Inextinguishable Fire for Life Buoys

The English Steam Launch Firefly

Demming's Grown Sash Fastener

Peripolar Induction

Improved Press for Fruit, Lard, Etc.

That Ancient Sewing Machine

Letter from United States Commissioner

Number 15

By R.H. Thurston

Improved Railroad Switch

Palmer's Power Spring Hammer

Helicoidal Concavo-Convex Propeller

A Forty Thousand Dollar Cow

Meeting of the British Association

A Valuble Drafting Instrument

Rare Chance to Advertisers

Recent American and Foreign Patents - October 25, 1873

Answers to Correspondents - October 25, 1873

Communications Received - October 25, 1873


  • Letters

    Correspondence - October 25, 1873

  • Recommended

    New Books and Publications - October 25, 1873

  • Departments

    Notes and Queries - October 25, 1873

  • Business and Personal - October 25, 1873

  • Index of Inventions - October 25, 1873

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October 25, 1873

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