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American Industries--No. 70

Recent Infringement Decisions

Sea Sickness

A Gigantic Artificial Moon

Report of the Expert

Mechanical Inventions

Miscellaneous Inventions

Stationary and Portable Engines

Agricultural Inventions

Improved Ash Sifter

New Grappling Tool for Oil Wells

Improved Drying Kiln

Improved Incubator

The Sturgeon Family

Branchiopod Crustaceans

Novel Fish Basket

Communications Received


  • Departments


  • New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • New Books and Publications

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