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A New Type of Coast Defense Gun

Proposed Abolition of the Army Transport Service on the Atlantic

"Shamrock and Constitution"

New Electric Traction Systems in Europe

Variability in Light of Eros

Cultivation of Rubber in Mexico

By Enos Brown

An Attachment for Trolley Poles

A Concrete Chimney

By Ralph C Davison

A New Ice-Conveying Apparatus

The Tobacco Industry

By Waldon Fawcett

New Gas Battery

Manufacture of Plate Glass

Launch of the Constitution

The Mastodon at the Brooklyn Institute Museum

By Alfred G Mayer

Gathmann 18-Inch Torpedo Gun

By Emil Gathmann

Malaria and its Prevention

Business and Personal Wants


  • Departments

    Science Notes - May 18, 1901

  • Recently Patented Inventions - May 18, 1901

  • New Books, Etc. - May 18, 1901

  • Notes and Queries - May 18, 1901

  • Index of Inventions - May 18, 1901

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