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Features

The Brown Automatic Cut-Off Engine

Uninflammable Theater Scenery

A Wonderful Treasure Trove

Defective Geometrical Teachings

The form and Use of Calipers

The Willes and Rowe Lightning Dumper

A New Electric Fire Alarm and Bell Pull

A New Steam Capstan

Paper Box Making

Improved Ice Cream Freezer

Improved Portable Gang Sawmill

A Colossal Aquarium

The Tobacco Pipe Fish

Practical Mechanism - January 6, 1877

By Joshua Rose

Astronomical Notes - January 6, 1877

Bots

By Professor C.V. Riley

A Micrometer Caliper

Recent American and Foreign Patents - January 6, 1877

Decisions of the Courts - January 6, 1877

New Mechanical and Engineering Inventions - January 6, 1877

New Miscellaneous Inventions - January 6, 1877

Communications Received - January 6, 1877

Departments

  • Recommended

    New Books and Publications - January 6, 1877

  • Departments

    Notes and Queries - January 6, 1877

  • Business and Personal - January 6, 1877

  • Index of Inventions - January 6, 1877

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January 06, 1877

Beyond XX and XY

Biology. Identity. Equality.