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The McConnell Germ-Proof Filters

Wine Making Represented at the Fair

A Chance for American Contractors

Safety on Railroads

Notes from the Worlds Columbian Exposition

A Counting Attachment for Printing Presses

Drop Forgings at the Fair

An Improved Brake Valve

A Wonderfully Cheap Watch

The Caw's Pen and Ink Company Exhibit

An Improved Stall for Milk Cattle

An Electrical Binding Post

A Steel Pen Exhibit at the Fair

Washington's Red Cedar Vase

The Rordame Comet

A Monster Diamond

The Northern Diver at the Leipzig Zoological Garden

A Trolley Wire Finder for Electric Railways

The World's Columbian Exposition--A View on the Grand South Canal

A. W. Grays Sons Exhibit of Horse Powers

Heavy Wagons Shown at the Fair

To Inventors


  • Departments


  • Notes and Queries

  • Recently Patented Inventions

  • Business and Personal

  • Index of Inventions

  • Patents!

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September 16, 1893

20% Sitewide for President's Day