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The Roller Boat Problem

The Automatic Coupler Law to be Enforced

Multiplication of Explosives

New Argentine Law in Regard to the Sale of Medicines

Changes in Swedish Patent and Trade Mark Laws

Our Great Cotton Crop

A Machine to Turn the Ends of Wagon Axles

An Improved Concentrator

The Columbia Chainless Bicycle

Surveying for a Railroad to the Yukon Valley

A Scottish Built Ferry Boat for Nova Scotia

By A. J. Sinclair

A Great Pelican Rookery

By C. F. Holder

The Astoria Hotel, New York City

"Magic Flowers"

To Inventors - October 30, 1897


  • Recommended

    New Books, Etc. - October 30, 1897

  • Departments

    The Heavens for November-1897

  • Recently Patented Inventions - October 30, 1897

  • Business and Personal - October 30, 1897

  • Notes and Queries - October 30, 1897

  • Index of Inventions - October 30, 1897

  • Patents - October 30, 1897

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