Public domain
Forest Products Laboratory, Madison, Wisconsin. Testing the fire-resistant qualities of various types of wood impregnations and coatings by the use of the firetube. Mr. Arthur Van Kleek, in charge of the work, is taking the readings
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Credit lineForest Products Laboratory, Madison, Wisconsin. Testing the fire-resistant qualities of various types of wood impregnations and coatings by the use of the firetube. Mr. Arthur Van Kleek, in charge of . 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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