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Is the Thirteen--Inch Naval Gun Obsolete ?

Work of the Naval Bureau of Ordnance

Our Exports Influenced by our Patent Laws

The History of the Massage Treatment

Taxation of Patent Rights

Army Tent Stoves

The Heavens in November 1898

By Garrett P. Serviss

Spirit Slate Writing and Kindred Phenomena.--IV

By W. E. Robinson

An Interesting Italian Fountain

Rapid Photographic Printing, Developing, and Drying Apparatus

Mount Lowe Electric Mountain Railway

The Havana Floating Dry Dock

The Dirigible Balloon of De Santos-Dumont

The New Buildings of Princeton University


  • Letters

    Correspondence - October 29, 1898

  • Departments

    Recently Patented Inventions - October 29, 1898

  • Index of Inventions - October 29, 1898

  • Notes and Queries - October 29, 1898

  • Business and Personal - October 29, 1898

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