Scientific American Magazine Vol 109 Issue 9

Scientific American Magazine

Volume 109, Issue 9

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Features

A Costly Lack of Co-ordination, Wind Pressure on Ocean Liners and more

Pedagogical Laboratories

How Children are Studied in a Russian Laboratory from Their Birth Until Their Twenty-first Year

P. R. Radosavljevich,

Dissecting a Military Dirigible Airship

An Interesting Experiment With the New "Vl"

Alfred Gradenwitz

Gas Engine Yacht, A Motorcycle Milkman and more

Robert MacIntyre

How Insects Fight

Stings, Mandibles, Horns and Poisons in Warfare

Percy Collins

The Fire Convention at New York

Departments

Correspondence - August 30, 1913

The Motor-Driven Commercial Vehicle