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Features

The Improvement of the Railroad Approaches of New York

The Daft Electric Locomotive

The Germ of Diphtheria

Strange Incendiarism

An Instrument to Test Engine Crank Shafts

An Improved Universal Milling Machine

A Luggage Carrier for Bicycles

An Improved Car-Starter

An Improved Dyeing Machine

An Improved Signal Bell

An Improved Velocipede

Melde's Experiment with the Trevelyan Rocker

By T. O'Conor Sloane

The Scientific American Iodide of Mercury Barometer

Improved apparatus for Heating Cars

Ten-Ton Locomotive Crane

Simple Experiments in Physics

By Geo. M. Hopkins

Departments

  • Recommended

    New Books and Publications- March 2, 1889

  • Departments

    Notes and Queries- March 2, 1889

  • Business and Personal- March 2, 1889

  • Recently Patented Inventions- March 2, 1889

  • Index of Inventions- March 2, 1889

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March 02, 1889

Complex Causes. Alternative Solutions.