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Scientific American Magazine Vol 84 Issue 20

Scientific American Magazine

Volume 84, Issue 20

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Features

A New Type of Coast Defense Gun

New Electric Traction Systems in Europe

"Shamrock and Constitution"

Proposed Abolition of the Army Transport Service on the Atlantic

Cultivation of Rubber in Mexico

Enos Brown

Variability in Light of Eros

A New Ice-Conveying Apparatus

An Attachment for Trolley Poles

A Concrete Chimney

Ralph C Davison

The Tobacco Industry

Waldon Fawcett

New Gas Battery

Manufacture of Plate Glass

The Mastodon at the Brooklyn Institute Museum

Alfred G Mayer

Launch of the Constitution

Gathmann 18-Inch Torpedo Gun

Emil Gathmann

Malaria and its Prevention

Business and Personal Wants

Departments

Science Notes - May 18, 1901

New Books, Etc. - May 18, 1901

Recently Patented Inventions - May 18, 1901

Index of Inventions - May 18, 1901

Notes and Queries - May 18, 1901