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The Morse Twist Drill at the Fair

A New Patent Office Building Proposed

Notes from the Worlds Columbian Exposition

A Guide Block for Telegraph Wires, Etc.

The Rider Hot Air Engine Company Exhibit

The Eureka Tempered Copper Co.'s Exhibit

An Inexpensive and Efficient Milk Cooler

Mechanical Press for Copper Plate Printing

Leather Belts at the Fair

An Inside Cover for Barrels

A Convenience for Smokers

The World's Columbian Exposition-General View

Jean Martin Charcot

William Galloway's Exhibit of Art Pottery

Apparatus for Preventing Collisions of Trains

William Harkness

By Marcus Benjamin

The Weed Steam Boiler

A World's Fair Exhibit of Hammers, Edge Tools, Etc.

To Inventors


  • Departments

    Business and Personal

  • Recently Patented Inventions

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents!

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September 23, 1893