1044 SIXTY—TH"IRD CONGRESS. Sess. III. Ch. 141. 1915. I¤*°¤*°**°¤:‘** Cm- eet' of the International Committee of Weights and Measures· Eii·.°¤ir°€i.w°1ght$°°d iiiie $1ine motor truck for carrying express and mail; supplies for operation, maintenance, and redpair of passenger automobile and motor trucks for official use ; an contingencies of all_k1nds, $27,000. Gm ¤*¤*¤¤¤¤¤· For grading construction of roads and walks, piping grounds for water supply, lamps, wiring for lighting {purposes, and other expenses _ incident to the nmprovement and care o grounds, $6,000. ,,,,§'§;,’§f‘§Q‘T' °’°°"‘° _To investigate the dangers to life and property due to the_ transmission of electric currents at hgh potentials, an the precautions to be taken and the best metho of construction, installation, and operation to be followed in the distribution and return of such cur- P ommn from rents, in irder to redu<;e to a suzéh dangers; falso to ilrivesti- · _ gate the est means o rotecting e an pro erty rom tning hghming iuclu onal serviges in the District of Columbia anhg in the and $15 oiiiis t,g,f{’{},"Q,f’°“““ ""'°”' Fdr cdntinuing investigations incident to the establishment of units and standards of refrigeration, and the determination of the physical constants of materials used 11; the refrigpjroation ipldiistries, suc as ammoma aqueous ammonia soutions car mc ac1 rines and so forth, and, the determination of the thermal conductiirities of maiterialaa irécgpiding personal services in the District of Columbia an in e e $15 000. mfgggggglmmtedm For continuation oi the investigation of structural materials, such ` as stone, clays, cement, and so forth including personal services in Tasting mm I th%_ District of Columbial and in the iiel;l, $100,000. hm du - °f °’ or maintenance an operation o testing mac es in ding umm mmm personal services in connection therewith in the District of Columbia and in the field, for the determination by the Bureau of Standards gf tllge physical constants and the properties of materials as authorized i y w $30 000. _ _ _ _
g bum For investigation of fire-resisting properties of building materials
and conditions under which thpg may e most efficiently used, m· cluding personal services in the istrict of Columbia and in the field, , $25 000. — lwliniilliigsrrleutofpubt lilor the investigation of the standards and methods of measurements of public utilities, such as gas, electric light, electric power, water, telephone, and electric railway service, an the solution of the problems which arise in connection with standards in such service, giglpding personal services in the District of Columbia and in the . $25 000. kg-,‘§,t"i°§¤°€i0§§}"pm°“° For investigation of materials used in the construction of rails, wheels, a.xles,_and other railway eq_uipment,_ and the cause of their fail1;reii1plclg nal services m the District of Columbia and int e e 15 .
- ,,g"°°"“"°°'” ‘°s*’ For iniscellaneous materials, including supplies for the
Government epartments and independent establishments, including personal services in the District of Columbia and in the neld, as wam mmm m_ aughonzed by law, $20,000._ _ as or construction of a suitable covering for water current meter- H H V testing tank, to be constructed under contract, $3,000. @,,2;, °‘ " ""“ For change in heating sgstem in north laboratory from indirect to R dj _ direct radiation, work to e done under contract, $3,000. u¤¤° vii$°` For investigation and standardization of methods and instruments employed 111 radio communication, including personal services in _ the District of Columbia and in the Held, $10,000. °°“‘”‘€°“°°’*P°¤~‘**· _ Courmonvr EXPENSES, Dnranmnnr or Commncn: For contmgent and miscellaneous expenses of the offices and bureaus of the department, for which appropriations for contingent and miscellaneous expenses are not specifically made, including urchase of professional and scientinc books, law books, books ofp reference, peri-
