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Wanted--An American Atlas, "Having Eyes, they See Not," and more

Giant Girders in the New Municipal Building

Hauling 50 Tons of Steel Through New York

London's New Gasoline-electric Omnibus

How Three Inventions Were Combined to Make an Automobile. By the English Correspondent of the Scientific American

Old Battleships as Permanent Forts

Coast Defenses Versus the Scrap Heap

How Sugar is Tested

Polarized Light and the Saccharimeter

By Joseph B. Baker

Recent Aeronautic Progress

A New German Airship and the Voisin Military Biplane

Science in the Current Periodicals- March 11, 1911

In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing in Contemporary Periodicals at Home and Abroad

A Home-made Storage Battery

By A. J. Jarntan

Some Optical Experiments with Liquids

By Gustave Michaud

Improvised Disk Talking Machine

By C. G. Kiplinger

Bottles Intended for Corrosive Liquids

A Good and Inexpensive Method of Labeling.

By H. H. F. Clarke

The Inventor's Department- March 11, 1911

Simple Patent Law; Patent Office News; Inventions New and Interesting

The Soap-nut Tree

A Valuable Addition to the Products of American Soil

By E. Mouli


  • Letters

    Correspondence- March 11, 1911

  • Departments

    The Heavens in March

  • Notes and Queries- March 11, 1911

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