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Lunar Superstitions

The Problem of the Mutual Influence of Cathode Rays

The American Association for the Advancement of Science

The De Forest Wireless Tests Across the Irish Channel

The Orthodiagraph. An Apparatus for Determining the True Shape and Size of Internal Organs

By our Berlin correspondent

The Siemens & Halske New Electric Hand-Drill

The Pennsylvania Tunnel at New York City

The Barton 150-Horsepower Airship's Forth-Coming Trial Trip

By the London correspondent of the Scientific American

Remarkable Discoveries by Bandelier of Inca Civilization in Peru

By Walter L. Beasley

A Harmless Reptile

By A. R. M. Spaid

Oddities in Inventions

Patent Department

Front Cylinder Head for Rock Drills

Business and Personal Wants

Departments

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    Correspondence - January 16, 1904

  • Legal Notes - January 16, 1904

  • Recently Patented Inventions - January 16, 1904

  • Notes and Queries - January 16, 1904

  • New Books, Etc. - January 16, 1904

  • Index of Inventions - January 16, 1904

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January 16, 1904

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