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The Hudson River Tunnel-New York End

Solid Petroleum

Criminal Neglect in Railway Management

The Stock Car Competition

Marine Economy

Plating Cotton with Silk

Engineering Inventions

Improved Wire Fence

Improved Shovel Plow

Kohler's Extinguisher for Argand Burners

Improved Horseshoe

Improved Drilling Machine

Miscellaneous Inventions

Mechanical Inventions

Rheometric Apparatus

By Marcel Deprez

New Coin Scale

Explosion of Two Boilers at Pittsburg, PA

Botanical Notes

Communication Received


  • Departments

    Recent Inventions

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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February 04, 1882