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Features

A Great Oil Well on Fire

Heroic Measures Adopted to Extinguish the Blaze

Electrical Resistance of Pure Metal at Very Low Temperatures

The Great Star Map.—III

By H. H. Turner

Machine Beauty

Aesthetic Evolution in Engineering Structures

Practical Aspects of Printinǵ Teleǵraphy—VIII

An Inventor on the Difficulties to be Encountered and the Way to Overcome Them

By Donald Murray

The Career of the Investiǵator

By W. B. Cannon

Mechanical Service for the Furnace in the Modern Industrial Plant

Conveyors and Chutes for Feeding the Coal and Removing the Ashes

The Velocity of Rontǵen Rays

Simple Experimental Evidence for the Presence of Ions

A Schedule Adapted to the Resources of the Small Laboratory

By Charles W. D. Parsons

The Acme of Refinement in Mechanism

A New Method of Studyinǵ Gastric Secretions

By the Paris Correspondent of the Scientific American

Micrometer for Readinǵ Directly the Various Systems of Measurement

The Most Remarkable Tree in the Country

A Fine Example of Giant Vegetable Growth

Deterioration of Macadam Roads and the Probable Cure

Problems that Arise from the Increased Automobile Traffic

By Samuel D. Foster

Lathe Bracket for Blue-Prints

New Determination of the Moon's Distance

By A. C. D. Crommelin

Electrical Notes

Engineering Notes

Science Notes

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    September 16, 1911

    Think Outside the Gift Box