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A Grave Responsibility

Trunk Lines and Trolleys in the East

The Forlorn Hope of the Baltic Fleet

Proposed Amendment Permitting the Extension of the Terms of Patents

Science Notes

The New York Sessions of the Eighth International Geographic Congress

The Manufacture of Wall Paper

By W. Frank M'Clure

A Reasoning Horse

When was the Photograph Taken?

By William F. Rigge

Completing the New Croton Dam

The "Lebaudy II"

By Emile Guarrini

Native Dwellings at the St. Louis Exposition

By the St. Louis Correspondent of the Scientific American

Striking Examples of Insect Mimicry

By O. Fulda

Business and Personal Wants


  • Departments

    Recently Patented Inventions - September 24, 1904

  • Index of Inventions - September 24, 1904

  • New Books, Etc. - September 24, 1904

  • Notes and Queries - September 24, 1904

  • Patents - September 24, 1904

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September 24, 1904