Caption: Dedication - Materials Testing Lab Dedication
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MATERIALS TESTING LABORATORY 15 APPLIED MECHANICS LABORATORY certified by the U. S. Bureau of Standards, permit the standardization of dead weights up to 50 pounds. A Crosby fluid pressure scales is used as a standard of reference for pressure gages of capacities up to 10 000 lb. per sq. in. An Amsler standardizing box of 100 000-lb. capacity is provided for use in checking the accuracy of testing machines in the various laboratories. 14. Miscellaneous Laboratories.—Among the smaller laboratories is a large dark room provided with apparatus for the investigation of stresses in transparent models by means of polarized light. In another room a considerable amount of equipment has been provided for experimental work in the line of recent developments in soil mechanics. In other rooms space is provided for tests of flow of lead under continued loading, of shrinkage and flow of reinforced concrete columns under a load which will be continuously applied for a period of one year, and apparatus for determining shearing stresses in noncircular sections subjected to torsion by means of the soapfilmanalogy.
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