Page:United States Statutes at Large Volume 46 Part 1.djvu/1383

 1340 SEVENTY-FIRST C ONGRESS. SEss. III. CH. 280 . 1931 . Dental materials in- Investigation of dental materials : To investigate the physical and vestigations. 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 stand ard methods o f test, includ ing personal services in t he Dis- tr ict of Columb ia and in the field, $9,940 ; Hydraulic laboratory Hydraulic laboratory re search : For the determination of funda- ` Antee, p. 327. mental data useful in hydraulic research and engineering, including laboratory research relating to the behavior and control of river and harbor waters, the study of hydraulic structures and water flow, and the development and testing of hydraulic instruments and accessories, including personal services in the District of Columbia and in the field, $36,880 ; Coopera tive work During the f iscal year 19 32 the head o f any departme nt or inde- with departments, etc ., in scientific invcstiga- pendent establishment of the Government having funds available for tions, 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 to perform within the limits of its appropriations, may, with the approval of the Secretary of Commerce, transfer to the Bureau of Standards such sums as may be necessary to carry on such investigations. The Secretary of the Treasury shall transfer Transfer of funds to on the bo oks of the T reasu ry Dep artmen t any sums which may be credit of bureau. 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, includi ng, where nec essary, compen sation for pe rsonal service s in the District of Columbia and in the field ; Attendance at tech. Approp riatio ns her ein m ade fo r the Bureau of S tandar ds sha ll meal, etc ' meetings. b e available for expenses of attendance at meetings concerned with standardization and research, or either, when incurred on the writ- ten authority of the Secretary of Commerce, and for the compen- sat ion and expe nses of medi cal offi cers of the Publ ic H ealt h Se rvic e detailed to the Bureau of Standards for the purpose of maintaining a first-aid station and making clinical observations Total, Bureau of Standards, $2,874,570, of which amount not to services in the Dis- exceed $2,249,790 may be expended for personal services in the trict. District of Columbia. Lighthouses Bureau. BUR EAU OF LI GHT HOUS ES Commissioner, and Salaries : For the commissioner and other personal services in the office personnel. District of Columbia, $121,790. Gener al exp enses. General expenses : For su pplies, incl uding repla cement of an d objects specified. nece ssar y ad diti ons to e xist ing equi pmen t, r epai rs, main tena nce, and incidental expenses of lighthouses and other lights, beacons, buoyage, fog signals, lighting of rivers heretofore authorized to be lighted, light vessels, othe r aids to navi gation , and l ighthou se ten ders, i nclud- ing the esta blishment, re pair, and imp rovement of be acons and day marks, and purchase of land for same ; establishment of post lights, Oil, etc ., houses. buoys, submarine signals, and fog signals ; establishment of oil or Provisos. carbide houses, not to exceed $10,000 : Provided, That any oil or car- Limit for buildings' bide house erected hereunder shall not exceed $1,000 in cost ; con- struction of necessary outbuildings at a cost not exceeding $1,000 at any one light station in any fiscal year ; improvement of grounds et Restoring stations, and buildings connected wit h light statio ns and depots light stations and depots a nd buildings c onnected ther ewith : Pr o- etLimitation on use, vided further, That such restoration shall be limited to the original purpose of the structures ; wages of persons attending post lights ; temporary employees and field force while engaged on works of gen-
 * restoring

�