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Proposed Submarine War Boats

The Great Fair

Sinking of the British War Ship Victoria

Notes from the Worlds Columbian Exposition

An Improved Water Wheel

Improved Self-Loading Vehicles and Dump Wagons

Foot Race of Market Porters at Paris

A Stamp Mill Guide

A Thrashing Machine Attachment

An Improved Lubricator

An Inexpensive Window Larder

Position of the Planets in July

The Great Wheel at Chicago


  • Departments

    Correspondence - July 1, 1893

  • New Books and Publications - July 1, 1893

  • Recently Patented Inventions - July 1, 1893

  • Business and Personal - July 1, 1893

  • Index of Inventions - July 1, 1893

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July 01, 1893

Confronting Common Wisdom