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[Dr. Alexander Gettler, toxicologist and forensic chemist with the Office of Chief Medical Examiner of the City of New York, in a laboratory]

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Starch from sweet potatoes is latest. Washington D.C. June 28. After three years of chemical research and commercial starch production, the Bureau of Chemistry and Soils of the U.S. Department of Agriculture has discovered a method of manufacturing starch from sweet potatoes; the resultant product beign used in cotton mills, adhesive factories, commercial laundries and in the making of "sticky" for postage stamps. The new government sweet potato starch factory is located at Laurel, Miss. shown in this photograph is Dr. Henry G. Knight, Cheif of the Bureau of Chemistry and Soils, is in charge of the experts responsible for haloing the common vegetable. 62837

Chicago, Illinois. Provident Hospital. Laboratory technician

Because of the time and difficulties which would be encountered in buying a new staking machine, engineers of a Midwestern company converted an old standard arbor press into an air-operated machine, pictured above, which stakes screws in a twenty- millimeter shell booster. The results of the air-powered machine were a definite saving of time and elimination of fatigue which resulted from the operation of manually operated press. The young lady operating the machine was an operator of a machine for making loose-leaf notebook binders before she became employed on war work

Conversion. Paper machinery to plane wing parts. A drill press operator bores holes in an airplane wing hinge in the plant of an Eastern paper machinery manufacturer. The hinge is clamped to the under side of a drill jig. The company also makes naval sights and other war essentials

Chemist running test on sweet potato starch, Laurel, Mississippi

[Dr. Alexander Gettler, toxicologist and forensic chemist with the Office of Chief Medical Examiner of the City of New York, in a laboratory]

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Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

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01/01/1920

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Library of Congress

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http://www.loc.gov/

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No information on creator or on reproduction rights found with the image, 2005. Publication may be restricted. For information see "New York World-Telegram & ...," http://www.loc.gov/rr/print/res/076_nyw.html