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Price Maintenance and the Supreme Court Decision, Expedition to the Amazon and more

The Screw Spike Versus the Cut Spike

The Tie and Rail Fastening in Their Relation to Safety of Travel

Making the Aeroplane Safe by the Gyroscopic Stabilizer, Aeroplane Accidents

By Robert G. Skerrett

Ferro-titanium Alloy in the Manufacture of Iron and Steel, What are the Ten Greatest Inventions of Our Time and Why?

By Charles V. Slocum

Photography from a Kite, The Submarine Violin

By A. C. Gault

A New Way of Making Artificial Diamonds, A Bed in the Open for City Dwellers and more

By the Paris Correspondent of the Scientific American

Safety in Travel as Affected by the Steel Rail

The Problem of Producing a Rail Which Will Stand Up Under Heavy Modern Traffic

The Problem of the Small Farm Tractor, A Safety Parachute for Airmen and more

Agricultural, Mechanical, and Economical Factors that Must be Considered

By Lynn W. Ellis

Notes for Inventors

The Government Document Office, Industrial Alcohol


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    Notes and Queries - June 7, 1913

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