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Electric Motor on the New York Elevated Railroad

The National Academy of Sciences

Photographic Notes - November 21, 1885

Purifying and Separating Middlings

Cotton Chopper Attachment for Cultivators

Cutting Nippers

Revolving Cultivator

Improved Trunk

Railroad Rail Joint

Improved Car Coupler

Dumping Car

The "Monarch" Churn

Microscopic Examination of Ciliated Organisms by Intermittent Light

By George M. Hopkins

A New Apparatus for Measuring Electric Currents

By F. De Lalande

Opening of a Telpher Line

Hair Cutting Machine

Hub-Boxing Gauge

Improved Split Link

Buttonhole Cutter

Captive Balloons for Army Use

Miscellaneous Inventions - November 21, 1885

Agricultural Inventions - November 21, 1885

Engineering Inventions - November 21, 1885


  • Letters

    Correspondence - November 21, 1885

  • Recommended

    New Books and Publications - November 21, 1885

  • Departments

    Business and Personal - November 21, 1885

  • Notes and Queries - November 21, 1885

  • Index of Inventions - November 21, 1885

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