Volume 108, Issue 23
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Features
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
Ferro-titanium Alloy in the Manufacture of Iron and Steel, What are the Ten Greatest Inventions of Our Time and Why?
Photography from a Kite, The Submarine Violin
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