Scientific American Magazine Vol 101 Issue 7

Scientific American MagazineAugust 1909

Volume 101, Issue 7

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Features

Medievalism in Modern Chemistry

Keeping Milk by Chilling It

A Sensible “Civil Calendar”

Wanted--A Reliable Aeroplane Motor

Aeronautics

Engineering

Electricity

Some Acoustic Experiments

Gustave Michaud

Asking the Tree to Speak

Charles E. Cooke

Marvelous Paintings of Nature

Alfred Gradenwitz

Halley's Comet

Alexander W. Roberts

Bleriot's Channel Flight and other Records in France

Completion of the Government Contract by Orville Wright at Fort Myer

The Wiesen Viaduct

An American Forestry School

Day Allen Willey

An Electromagnetic Drill

Thawing Dynamite

Handy Man's Workshop

Saw-Filing Clamp

C. A. Pitkin

To Support Shaft When Babbitting

J. Edwin Kerr

An Electrolytic Rectifier for Charging Ignition Batteries

Frederick E. Ward