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Features

Japanese Daring on Land and Caution on the Sea

Radio-Activity Induced by the Emanations of Incandescent Metal Wires

Deductions from the Baltimore Fire

Electricity in Agriculture

A Plea for the Endowment of Astronomical Research

Mammoth Dredger Used for Reclamation Work in California

By William A. Lawson

An Instrument for Indicating Mean Astronomical Noon

By Emile Guarini

A New German Tower Electric Crane

By Frank C. Perkins

New Steam Turbine

Pumping Machinery at the St. Louis Fair

By the St Louis Correspondent of the Scientific American

The 1905 Eclipse of the Sun

By Mary Proctor

Admiral Togo's Flagship "Mikasa"

The Iguana

The Reindeer Industry in Alasska

By R.I. Geare

Departments

  • Departments

    Correspondence - August 20, 1904

  • Notes and Queries - August 20, 1904

  • Index of Inventions - August 20, 1904

  • Business and Personal Wants

  • New Books, Etc. - August 20, 1904

  • Recently Patented Inventions - August 20, 1904

  • Patents - August 20, 1904

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August 20, 1904

Beyond XX and XY

Biology. Identity. Equality.