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Amateur Investigations with a Testing Tank

Marconi Telegraphy

"Columbia" and "Shamrock" in Dry Dock

Proposed Cycle Path across the Brooklyn Bridge

Soda Water to Relieve Hunger

Statistical Duplication

Exchanging Fish Fry with Europe

Railroads in 1898

The Mining Interests of Africa

A New Riker Electric Vehicle

A Novel Matcher-Head for Planing Mills

Ditching across the Great Divides in the Rocky Mountains

By B. A. Crafts

Fifty Years of International Yacht Racing

The Battle Chariot

The Magician's Omelette

By William B. Caulk

To Inventors - October 14, 1899


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    New Books, Etc.- October 14, 1889

  • Departments

    Recently Patented Inventions - October 14, 1899

  • Business and Personal - October 14, 1889

  • Notes and Queries - October 14, 1899

  • Index of Inventions - October 14, 1899

  • Patents - October 14, 1899

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October 14, 1899

Of Shamrocks and Science

Happy St. Patrick’s Day