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Lessons of the Paris Flood, The New York Deep Tunnel Water Supply, Our Latest and Final Reciprocating Engine Battleship

Engineering, Electricity, Science

A New Storage Battery Street Car

Another Edison Invention

Artificial Production of the Voice

By Jacques Boyer

What Smokeless Powder has Made Possible--I

By Robert G. Skerrett

Clearing Snow from Railway Tracks in Canada

By Frank C. Perkins

Bernard Palissy, the Famous French Potter, and his Works

By Charles A. Brassler

Adapting a Grate for Small Coal

By J. A. Bergstrom

Thermostatic Alarm for House Heaters

By F. F. Allen

Regulator for Indirect and Direct-Indirect Steam Heating

By B. A. Johns

Method of Economizing Gas

By A. J. Jarman

Home-Made Ash Sifter

By J. A. Brophy

How to Burn Coal Economically

By W. B. Allen


  • The Rockefeller Institute's Work on Infantile Paralysis

  • Departments


  • The Heavens in February, 1910

  • Notes and Queries

  • Recently Patented Inventions

  • New Books, Etc.

  • Index of Inventions

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February 05, 1910

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