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Features

The Second Bridge Between New York and Brooklyn

Comet Telegraphy

Iridium

Opening of the Electric Railway in Berlin

Insectivorous Plants

Silk Adulterations

The Gamgee Perpetual Motion

New Mole Trap

Improved Fruit Jar

New Can and Bottle Opener

Assaying

Miscellaneous Inventions - May 28, 1881

Thermophones

By G. R. Carey

Novel Book Holder

Novel Folding Cradle

Elegant Chairs

Mechanical Inventions - May 28, 1881

Faience of India

Departments

  • Departments

    Recent Inventions - May 28, 1881

  • New Inventions - May 28, 1881

  • Index of Inventions - May 28, 1881

  • Business and Personal - May 28, 1881

  • Notes and Queries - May 28, 1881

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May 28, 1881