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Features

The Paris Electrical Exhibition

Steam Versus Sails in Oyster Culture

The Fishing Fish

Steam-Boiler Notes

The American Science Association

Testing Full-Sized Bridge Columns

Watertown Boiler Explosion

Improved Horse Hay-Fork

Improvement in Casting Car Wheels

Artificial Indigo in Meister, Lucius & Bruning's Exhibition of Dyestuffs

Tin-Plating Processes

Improved Electric Generator

Mechanical Inventions

Improved Freight Car

Operculums and Eyestones

By A. W. Roberts

Peculiarities of the Cephalopoda

By C. F. Holder

Miscellaneous Inventions

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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September 10, 1881