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Features

Sinking of the British War Ship Victoria

The Great Fair

Proposed Submarine War Boats

Notes from the Worlds Columbian Exposition

Improved Self-Loading Vehicles and Dump Wagons

An Improved Water Wheel

Foot Race of Market Porters at Paris

An Improved Lubricator

An Inexpensive Window Larder

A Stamp Mill Guide

A Thrashing Machine Attachment

Position of the Planets in July

The Great Wheel at Chicago

Departments

  • Departments

    Correspondence - July 1, 1893

  • Recently Patented Inventions - July 1, 1893

  • New Books and Publications - July 1, 1893

  • Index of Inventions - July 1, 1893

  • Business and Personal - July 1, 1893

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July 01, 1893

Beyond XX and XY

Beyond XX and XY

Biology. Identity. Equality.