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The City of Worcester

Alexander Lyman Holley

Some Questions of Coast Defense

Burning of the Old and Opening of the New Scientific American Offices, New York

Improved Pulverizer

A New Electric Motor and Its Applications

Miscellaneous Inventions

Multiple Pressure Sugar Mill

Press for the Manufacture of Belts

The Cork Oak

Agricultural Inventions


  • Departments

    New Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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February 11, 1882