Scientific American Magazine Vol 92 Issue 22

Scientific American Magazine

Volume 92, Issue 22

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Features

Alternative Plans for the Panama Canal

An Attack on the Wire-Wound Gun

The Preparation of Surfaces for Painting

Science Notes - June 3, 1905

Electricity and Bread

Electric Mail Automobiles

The Graphic Chronometer

Emile Guarini

Electric Dead Reckoner Used on “Valhalla” in the Ocean Race

History and Present Status of the Panama Canal

The Grubb Gun-Sight

The Algiers-Toulon Motor-Boat Race

By the Paris Coeeespondent of the Scientific American

Do Animals Reason?

Nelson R. Briggs

An Unusual Incident of Cable Work

Edgar Russell

Patent Department

A Puncture-Proof Tire

An Improved Ditching Machine

Improved Dumping Car

Business and Personal Wants

Departments

The Heavens in June - June 3, 1905

Correspondence - June 3, 1905

Recently Patented Inventions - June 3, 1905

Notes and Queries - June 3, 1905

Index of Inventions - June 3, 1905

Patents - June 3, 1905