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Battle Test of a 12-Inch Turret

Rectangular Latticed Compression Members in Bridges

The Capacity of the Subway

Permanent Printed Records on Linen

By William J. Manning

Aeronautical Notes

The Current Supplement

The Award of the Scientific American Medal

The Largest Reflecting Telescope in the World

By Grace Agnes Thompson

Panama Canal: Final Plan and Present Condition of the Work

The Mechanics of Autos that Pass in the Air

Knudsen's Process of Transmitting Pictures by Wireless Telegraphy

By the English Correspondent of the Scientific American

The Insect Enemies of Books

By Jacques Boyer

A New Sun Dial

By the Paris Correspondent of the Scientific American

Rack for Coats, Wraps, and Other Garments

Power Transmission Mechanism

Tongs with Adjustable Jaws

An Improved Saw Handle


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  • Recently Patented Inventions

  • Index of Inventions

  • Patents

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