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The Morse Twist Drill at the Fair

A New Patent Office Building Proposed

Notes from the Worlds Columbian Exposition

The Eureka Tempered Copper Co.'s Exhibit

A Guide Block for Telegraph Wires, Etc.

The Rider Hot Air Engine Company Exhibit

An Inexpensive and Efficient Milk Cooler

Leather Belts at the Fair

An Inside Cover for Barrels

Mechanical Press for Copper Plate Printing

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

    Recently Patented Inventions

  • New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents!

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis