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The White Star Steamer Teutonic

New Method of Ventilating Tunnels

The Power of Water, or Hydraulics Simplified

By G. D. Hiscox

Lieut. Fiske's Position Finder

Machine for Manufacturing Paper Bags

A New Modification of the Open Hearth Steel Process

By Herr F. Kupelwieser

Howitzer Experiments

The Electromagnet

By Silvanus P. Thompson

An Electric Snow Sweeper

Astronomical Probabilities for the Coming Decade

By Chas. A. Young

Roman Remains Unearthed at Silchester

Summary of Meteorological Observations at New York City during the Year 1890

Coral Growths on Submarine Cables

The Foussa, a Strange Animal

The Phylloxera and American Resistant Stocks

By C. V. Riley

The Age of Trees for Transplanting

How the Pathogenic Bacteria do their Harm

Remarkable Case of Skin Grafting

Building Plans and Specifications

The American Chemical Society

Useful Engineering Books

Obtaining Oxygen from the Air

Uses of Selenium


  • Departments

    Patents- February 7, 1891

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