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The Autophone

Magnetic Motors

The Trajectory of Molecules

The International Canal Congress

Science as a Detective

A New Refrigerating Liquid from Beets

Localizing Telephone Calls

Underground Telegraph Wires

Molecular Chemistry--No. II

The Donnadieu Reciprocating Pump

A Sixpenny Phonograph

Recent Mechanical Inventions

The New York Academy of Sciences

A New Steam Hammer

Recent American Patents

Attachment for Boiler Feed Pumps

Terrestrial Gasteropods

Drainage

Specimens of Turkish Pottery

Stool of Inlaid Wood and Embroidered Cloth

Asa Packer

Communications Received

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    Business and Personal

  • Index of Inventions

  • Notes and Queries

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June 07, 1879

See the World from a Different Perspective

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