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SEVENTIETH CONGRESS . SESS . I. Ca. 57. 1928 . meats and testing ; for investigations relative to the development of standar d speci ficatio ns for X-ray equipm ent and ope rat ion ; for the investigation of the hazards of X-ray practice ; for the testing and standardization of X-ray protective materials ; for the stand- ardization and design of X-ray testing equipment ; for the deter- mination of fundamental physical constants essential to X-ray diagnosis and therapy to X-ray analysis of materials and to other technical and scientific applications, including personal services in the District of Columbia and in the field, $29,540, of which amount not to exceed $22,180 may be expended for personal services in the U tiliz ing waste prod - District of Columbia . ucts from the land . Utilization of waste products from the land : For the survey of the possibilities of the industrial utilization of waste products from the land, including cooperation with colleges, other institutions and manufacturers, including personal services in the District of Columbia and in the field, $50,000, of w hich amount not to exceed $41,000 may be expended for personal services in the District of Colu mbia . A utomo tive eng ines investigations, etc . Inv estiga tion of automo tive engines : For the promotion of economy and efficiency in automotive transportation by land and by air through investigations of the basic principles underlying the design, performance, operation, and testing of automotive engines, their fuels, lubricants, accessories, and the power transmitting system used in connecti on with them, als o such e lements as brake s and br ake linings ; to promote economy in the use of liquid fuels and safety in vehicular traffic, including personal serv ices in the Dist rict of Columbia and in the field, $25,000, of w hich amount not to exceed $20,680 may be expended for personal services in the District of Dental materials in . Colu mbia . vestigations . Investigation of dental materials : To investigate the physical and chemical properties of dental materials, including the method of their application and the causes of deterioration of such materials in service, for the purpose of developing standards of quality and standard methods of test, including personal services in the District of Columbia and in the field, $5,000, of which amount not to exceed $4,500 may be expended for personal services in the District of P ower- plan t eq uip- Colu mbia . meat . P urcha se, insta lling , Power-plant equipment, Bureau of Standards : For the purchase etc ., new plant, etc. and installation of new power and heating plant equipment, together with such auxiliary equipment as may be necessary, the moving and installing of equipment on hand, and the tie-in with the present heat and powe r system s, inclu ding cont ract lab or and p ersonal services in the District of Columbia, $100,000 . with departments etc., During the fis cal year 1929 the head of any department or inde- in scientific in vestiga . pendent establishment of the Government having funds available for yens, etc' scientific investigations and requiring cooperative work by the Bureau of Standards on scientific investigations within the scope of the functions of that bureau, and which the Bureau of Standards is unable t o perfor m within the limi ts of it s approp riations , may, w ith the approval of the Secretary of Commerc e, transfer to the Bureau Tra nsfer of fun ds to of Standards such sums as may be necessary to carry on such inves- credit of Bureau . tigations. The Secretary of the Treasury shall transfer on the books of the Treasury Depa rtment any sums which may be authorized hereunder, and such amounts shall be placed to the credit of the Bureau of Standards for the performance of work for the department or establishment from which the transfer is made, including, where nece ssar y, c ompe nsat ion for pers onal ser vice s in the District of Columbia and in the field .
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