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Features

'Near Noble' Nickel

Of Great Industrial Importance, Used Daily by Millions, Chromium Promotes Nickel Plating, 49 Percent Used in United States, Vital in Automotive Design

By John F. Thompson

Good Hunting

Game Raised Artificially, Low Cost, Game Fed in Natural Haunts, Gunner-Farmer Co-operation

By George S. McCarty

Overtones and Atmospheres

By Henry Norris Russell

Aqueduct Siphons

Pre-Cast and Monolithic Concrete Types of Siphons Are Now Being Tested

By Robert D. Speers

Copper Wire and Fishing Nets

By A. P. Peck

The Ether: Riddle of the Ages

The Original Concept of the Ether Has Been Altered So Many Times, As a Result of Experimental Evidence Which Has Forced Its Modification, That It Is Now Whittled Down to Next to Nothing. We Still Use the Same Word, "Ether," But the Thing Signified Is Quite Different—Even If An Ether Exists At All.

By Churchill Eisenhart

Astronomical Photography

A Specialty for the More Advanced Amateur Worker

By James Stokley

Mr. Gerard's Dream

By Raymond B. Fosdick

American Archeology

By George O. Gillingham

Faceted Gems for the Amateur Lapidary

By Arthur Knapp

Sundials and their Construction

Part VII--Lines of Declination on Different Types of Dials

By Margaret Walton Mayall and R. Newton Mayall

For Defense of the Panama Canal

Does Your Sleeping Room Give You Insomnia?

By Donald A. Laird

Departments

  • Departments

    Across the Editor's Desk, November 1934

  • Personalities in Science

  • A Rich New Discovery of Dinosaur Remains

  • Our Point of View, November 1934

  • Diesel Fuel Injection Pump, Amateur Photomicrography and more

  • Books Selected by the Editors, November 1934

  • Foreign Patent Licensing Corporations, Vapex Mark Upheld

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November 1934

See the World from a Different Perspective

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