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By Railroad to Key West, A Timely Warning and more

Mapping the Value of Gravitational Force

International Scientific Team-work

By L. William Thavis

Semi-steel Cars in Railroad Wrecks

Lessons, from a Rear Collision in the West

Across the Atlantic by Aeroplane

The Problem and Suggestions for Its Solution

By James V. Martin

Savage Irrigation in Luzon

The Wonderful Rice Terraces of the Head-hunting Ifugaos

By Hamilton Wright

The New Vickers Light Automatic Rifle-caliber Gun and Its Adjustable Mounting

By the English Correspondent of the Scientific American

A Simple Resister

By Frederick E. Ward

How to Clamp a Mitered Door Frame

By Joseph Vaghi

Inside Pulling Grip

By H. D. Chapman

Burnt-gas Exhaust for a Garage

By H. M. Nichols

Suggestions for the Workshop

Ingenious Expedients of Resourceful Mechanics

By N. M. Powell

Drills for Screws and Taps

By Albert F. Bishop


  • Recommended

    New Books, Etc. - February 3, 1912

  • Departments

    Correspondence - February 3, 1912

  • The Heavens in February 1912

  • The Inventor's Department - February 3, 1912

  • Recently Patented Inventions - February 3, 1912

  • Notes and Queries - February 3, 1912

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