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Features

Construction of the Yarrow Water Tube Boiler

Our Semi-Centennial Essay Competition

Patent Solicitors and the Proposed Patent Bar

Coast Defense

The River and Harbor Bill

Improved Gas Engine

Patent Automatic Copying Lathe with Automatic Screw Feed

A Handy Camera Stand

A Cushion Pavement

Coppersmithing

Improved Boiler Furnace

Insect Remover and Destroyer

Orange Tree Jacket

Archimedean Screw Used for Drawing Water

The Horseless Carriage Race on Decoration Day

Edison's New Electric Light

Sun Spots Observed May 31, 1896

A Destructive Boiler Explosion

By Frank Woodmancy

Departments

  • Letters

    Correspondence - June 13, 1896

  • Recommended

    New Books and Publications - June 13, 1896

  • Departments

    Business and Personal - June 13, 1896

  • Notes and Queries - June 13, 1896

  • Recently Patented Inventions - June 13, 1896

  • Index of Inventions - June 13, 1896

  • To Inventors - June 13, 1896

  • Patents - June 13, 1896

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June 13, 1896

Beyond XX and XY

Biology. Identity. Equality.

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