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American Indian Languages

A Survey of Apparatus and Methods For Iron Casting

By Truman Michelson

A Bromide Cleaner

Detecting the Pretense of Deafness

Tests Adopted in France to Reveal the Tricks of Slackers

A Modern Commercial Volcano

The Eskimo Year

Flicker Phenomena

By Lindley Pyle

A Motor Car Railway Mowing Machine

The Foundry Today

A Survey of Apparatus and Methods For Iron Casting

By Benj. D. Fuller

Ferro-Concrete Vessels

The Revival of Wooden Shipbuilding

An Ancient Industry Rehabilitated by the War

Hydraulic Power in Spain

Protecting Merchant Vessels against Submarines

Physiographic Subdivision of the United States

Department of Geology, University of Cincinnati

By Nevin M. Fenneman

Removal of Carbon Bisulphide from Coal Gas

Recent Developments of Molecular Physics

The Religious Ideas of the Northwest Coast Indians

Graphic Charts That Mislead

Faulty Constructions that Obscure Facts

By John Wenzel

A Motor Ambulance Driver's Notes from the Front

By R. Cartwright

Cotton and Wool Finishing Processes

Problems of Chemistry, Physics and Mechanics

By W. Harrison

Chemicals for Laboratory Use

Their Purity,and the Investigations Preparatory to Their Production

By William Rintoul

Reproduction of Legs in a Salamander

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    June 16, 1917

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