73d C ONGRESS . SESS. II. CH. 104. AP RIL 7, 1934 . structi on of rails, wheel s, axl es, an d other railw ay equ ipment , and the cause of their failure, includin g persona l service s in the District of Columbia and in the field, $29 .610 . Sound investigation : For the investigation of the principles of sound and their app licat ion t o mi litar y and indu stri al pu rpose s, including personal services in the District of Columbia and in the field, $5,171 . Ind ustria l rese arch : For technical investigations in cooperation with the i ndust ries upon fund amen tal p roble ms in volv ed in indu s- tr ial devel opment, w ith a vie w to assi sting in the perm anent est ablish- ment of new A merica n indu stries , incl uding p ersona l serv ices i n the Distric t of C olumbi a and elsewh ere, $ 46,104 . Standardization of equipment : To enable the Bureau of Standards to cooperate with Government departments, engineers, and manu- facturers in the establishment of standards, methods of testing, and inspection of instruments, equipment, tools, and electrical and mecha nical devi ces used in th e in dustr ies a nd by the Gove rnmen t, including the practical specifications for quality and performance of such devices, and the formulation of methods of inspection, labora- tory, and service tests, in cluding p ersonal s ervices i n the Dis trict of Columbia and in the field, $82,545 . Standard materials : For purchase, preparation, analysis, and distribution of standard materials to be used in checking chemical analyses in the testing of physical measuring apparatus, including personal services in the District of Columbia and in the field, $5,791 . Inv estiga tion o f radi oactiv e subs tances and X- rays
- For an inves-
tigation of radioactive substances and the methods of their measure- ments and testing ; for investigations relative to the development of standard specifications for X-ray equipment and operation ; for the investigation of the hazards of X-ray practice ; for the testing and sta ndardi zation of X- ray pr otecti ve mate rials ; for th e standar d- ization and design of X-ray testing equipment ; for the determination of fundamental physical constants essential to X-ray diagnosis and therapy, to X-ray analysis of materials, and to other technical and scientifi c applica tions, in cluding p ersonal s ervices i n the Dis trict of Columbia and in the field, $14,043 . 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 Colum- bia and in the field, $24,873 : Provided, That the Bureau of Stand- ards cooperates with the Bureau of Chemistry and Soils, Department of Agriculture, without duplication of work . Investigation of automotive 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 sys- tem used in connection with them, also such elements as brakes and brake linings ; to promote economy in the use of liquid fuels and safety in vehicular traffic, including personal services in the District of Columbia and in the field, $22,306 . Investigation of dental materials : To in vesti gate the physi cal 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, $4,204 . 555 Sound investigation . Industrial research . Standardization of equipment . Standards for check- ing chemical analyses . Radioactive sub - stances and x-ray in- vestigations . Utilization of waste products from the land . Proviso . Cooperation w i t h Bureau of Chemistry and Soils . Automotive e ngines investigations . Dental materials in- vestigations .
