Bureau of Standards Supplementing Exhibit of the Bureau of Standards At the Bra
Bureau of Standards Supplementing Exhibit of the Bureau of Standards At the Bra
United States National Bureau of Standards
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, but it is the intention to move it to the Washington plant as soon as opportunity permits. The me- chanical equipment of this section includes, besides the tensile and compressive machines just mentioned, a full assortment of torsional, cross bend, impact, and hardness testing machines. The investigation of airplane woods conducted by this section before and during the war is the most complete ever attempted. Its service to the Government consists in a large amount of routine testing of steel... and other substances and in certain investigations requiring the accurate determination of the physical properties of materials. The second section of this division deals with investigations of cement and concrete. It is equipped to carry out work both in the laboratory and in the field, and conducts at all times a great number of routine tests of cement used in governmental construction work. This part of the bureau's work assumed such large proportions during the war that it was necessary to establish a number of branch laboratories devoted to cement testing.
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