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SA Supplements Vol 60 Issue 1560supp

SA Supplements

Volume 60, Issue 1560supp

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Features

Science Notes - November 25, 1905

A Fifty-Ton Electric Crane

By the English Correspondent of Scientific American

Recent Study of Radium

New Principles in Aerial Flight

John J. Montgomery

Platinum and Platinum Alloys

Metal Foundry Patterns

Walter J. May

Curious Optical Illusions

Arthur K. Bartlett

The “Salvator” Acetylene Searchlight

Iron and Steel Hull Steam Vessels of the United States.—VI

J. H. Morrison

The Stature of Man at Various Epochs

A. Dastre

The Chemistry of Tobacco

Contemporary Electrical Science

Some Curious Phenomena of Rainfall

The Radiation of Light by Plants

Hans Molisch

Turpentine Stains and Water Stains

Sense of Hearing in Fish

Electrical Notes

Engineering Notes

Trade Notes and Formulæ