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The Wright and Voisin (Farman) Flying Machines Compared

The Earthquake Disaster




A New Rifle-Propelled Grenade

A Tunnel-Boring Machine

The Rockefeller Institute for Medical Research

By Herbert T. Wade

A Novel Camera for Making Moving Pictures

A Novel Filtration Plant

Cleaning Stone

Good Roads and the Price of Food

A Multi-Hull Ocean Steamship

The Krupp Steel Works of To-Day

The Peculiar Behavior of Morehouse's Comet

By S. A. Mitchell

How to Build a Scooter

By Frederick K. Lord

Further Details of the Home-Made Vacuum Cleaner

By W. J. C.

The Next Issue of Handy Man's Workshop

A Cement Grindstone

Coasting Skates

By L. Gessford Handy

Reducing the Range of a Rifle

By August Mencken


  • Departments

    Correspondence - January 9, 1909

  • Notes and Queries - January 9, 1909

  • Recently Patented Inventions - January 9, 1909

  • Index of Inventions - January 9, 1909

  • New Books, Etc. - January 9, 1909

  • Patents - January 9, 1909

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