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Scientific American Magazine Vol 43 Issue 9

Scientific American Magazine

Volume 43, Issue 9

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Features

A Peruvian Infernal Machine

Electric Light for Marine Use

Color Blindness in Connecticut

Effect of Starvation on the Blood

Influx the Source of Invention

A Good Year for Statistics

Artificial Citric Acid

Clutch for Bow Strings

Fire in a Pennsylvania Coal Mine

Mechanical Inventions

A Lens With Variable Focus

New Coupler

Yellow and Red Phosphorus in the Manufacture of Matches

E. Eichler

Miscellaneous Inventions

A Substitute for the Crank

Improved Book-Rack

The Glycerine Barometer

New Air Gun

The Steamer Pittsburg

Taguan Flying Squirrel

Clothing in its Relation to Health

Engineering Inventions

Facts About Cheese

Artificial Cold

Communications Received

Departments

New Inventions

Recent Inventions

New Books and Publications

Notes and Queries

Business and personal

Index of Inventions