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Features

Cast Iron Finish

Treatment of Steel

Shop Remedies

Inside Calipering

Has Electric Light Any Effect on the Growth of Plants?

Invention as an Art

Improved Harrow

Improved Tricycle

Improved Spirit Level

A Remarkable Fungoid Growth

Navigable Trains of Air Ships

The Pneumatic System of the Western Union

Improved Rail Mill Engines

An Aquatic Velocipede

Decisions Relating to Patents - February 14, 1885

Agricultural Inventions - February 14, 1885

Engineering Inventions - February 14, 1885

Miscellaneous Inventions - February 14, 1885

Special - February 14, 1885

Departments

  • Letters

    Correspondence - February 14, 1885

  • Departments

    Business and Personal - February 14, 1885

  • Index of Inventions - February 14, 1885

  • Notes and Queries - February 14, 1885

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February 14, 1885

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