SA Supplements Vol 79 Issue 2060supp

SA Supplements

Volume 79, Issue 2060supp

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Features

The Chemical Industries of Germany—II

An Historical Review of Processes and Conditions

Percy F. Frankland

Purchasing Coal on Heat Unit Basis

Forging Shrapnel Shells

Some Details of Modern Methods Now in Use

Douglas T. Hamilton

Plating by Impact

Death of Pierre-Emile Martin

Light-Stroke

The Largest American Gas Engine

The Art of Mobile Color

And a Discussion of the Relation of Color to Sound

M. Luckiesh

Radium Treatment of Cancer

Floor Surfaces in Fireproof Buildings

Recommendations in Regard to Material and Methods of Construction

Sanford E. Thompson

Railway Rail Production and Failures

High-Speed Engines

Automobile Lubrication—II

How to Test, and How to Use Various Classes of Oils and Greases

C. W. Stratford

Porous Boiler Settings

Measuring Growth of a State

First Enumeration Solely to Provide for Political Reapportionment

The Scientific American Supplement Index for Vol. 79

Departments

Correspondence - June 26, 1915