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Features

Bearing of the Soo Canal Accident on Panama

Queensboro Bridge a Safe Structure

Electricity

Science

Engineering

Some Tricks of the Moving Picture Maker

The Metropolitan Tower and the “Zeppelin II Two” Striking Comparisons

Signaling to Mars

Pipes in Bail Ingots

Large vs. Moderate-Sized Battleships

A Motor Plow

By Alfred Gradenwitz

Felling a Water Tank

By W. H. Lawton

The Construction of the Zeppelin Airship

Recent French Aeroplanes and their Performances

A Machine that Sets Ordinary Type

By M. M. Hunting

A Convenient Carrying Arrangement for a Drawing Outfit

By I. G. Bayley

Handy Man's Workshop

Departments

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    Correpondence

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

  • Index of Inventions

  • Patents

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June 26, 1909

Think Outside the Gift Box