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Lessons of the "Republic" Disaster

France and the Aeroplane

The “Trust” System as Applied to Scientific Research




The Industrial Use of the Lifting Magnet

By W. Frank M'clure

The Improvement of the Charles River at Boston, Mass

By Edward C. Sherman

A Sensitive Thermometer

By S. A. Mitchell

That Aerolite Again

Are Filtering Beds Correctly Constructed?

The Physical Energy of the House-Fly

By the English Correspondent of the Scientific American

Present Conditions in the Panama Canal Zone


How to Wind a Spaced Coil Spring

By Charles Lurcott

Handy Man's Workshop

Another Method of Making Metal Lamp Shades

By Fred G. Warner

A Joint for the Work Bench

By C. A. Pitkin

Patch for Kitchen Boilers

By T. Fagan

How to Mend a Hammock or Fishing Net

How to File Round Work

By A. V. Searing Jr.

A Fire-Plug Wrench

Straightening Buckled Castings

Stopcock of Glass Tubing

Simple Support for Bicycles

How to Solder Aluminium

By William Hooper


  • Departments


  • Recently Patented Inventions

  • Notes and Queries

  • Index of Inventions

  • New Books, Etc.

  • Patents

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February 06, 1909

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