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The New High-Service Pumping Works, New York City

Carelessness as a Cause of Fire

Uniformity in Chemical Nomenclature

Testing Chocolate

New Gold Separator

Improved Automatic Gate

Compressed-Air Machine Used in the Channel Tunnel

Novel Belt Fastener

The Attempt to Destroy the Andre Monument

New Plant-Trimming Shears

Miscellaneous Inventions

Plow for Laying Electric Cables

A Rediscovery--The Black Whale

By J. B. Holder

Mechanical Inventions

Engineering Inventions

Agricultural Inventions


  • Departments

    New Inventions

  • Correspondence

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

  • New Books and Publications

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