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The “Liberte” and the “Maine”, and more

The Meter

That Inexorable Mechanical Accountant of the Gas Company

The Burning of the German Military Dirigible “M III”

By Carl Dienstbach

Carrying Mail by Aeroplane

The First Experiments in this Country at the International Aviation Meet

The Diesel Engine

The Development of a Remarkable Motor

By Hayner H. Gordon

Filling a 400,000 Cubic-foot Balloon

Hydrogen-generating Plant for Vaniman's Transatlantic Expedition

Magnetic T-Square

By William Grötzinger

Suggestions for the Workshop- October 7, 1911

Ingenious Expedients of Resourceful Mechanics

Laying Out Work for Drilling

By George F. Brown

Repairs to a Cistern

By J. W. Romig

Holder for Filing Small Screws

By B. F. D.

Refacing Valve Seats

By Albert F. Bishop

Flywheel Brake

By C. M. Moon

Disposition of Guns in Dreadnoughts

Foreign Navies are Adopting the American Center-line Plan

By Percival A. Hislam

Abstracts from Current Periodicals- October 7, 1911

Phases of Science as Other Editors See Them

The Inventor's Department- October 7, 1911

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


  • Letters

    Correspondence- October 7, 1911

  • Recommended

    New Books, Etc.- October 7, 1911

  • Departments

    The Heavens in October

  • Recently Patented Inventions- October 7, 1911

  • Notes and Queries- October 7, 1911

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