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Cable Fastenings of the East River Bridge

Despaquls' Photo-Engraving Process

The Degradation of Labor

Iron and Steel in Railway Car Construction

About Sparrows

The Howgate Polar Colony

Selling Patents by Auction

A New Telephone

Improved Donkey Pump


Astronomical Notes

Postage Stamp Canceller

Micrometer Caliper

Improved Log Turner

Browne's Book Cover Protector

The Brown Bat

By C. Few Seiss

Wood Engraving in Japan

Exterminating Moles


The Watch--Its Invention and History

New Agricultural Inventions

Recent American and Foreign Patents

New Household Inventions

New Mechanical and Engineering Inventions

New Miscellaneous Inventions

New Woodworking and House and Carriage Building Inventions

Communications Received


  • Departments

    Notes and Queries

  • Business and Personal

  • Index of Inventions

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August 11, 1877