1260 SIXTY-FIF TH CONGRESS. Sess. III. Ch. 86. 1919. BSfe‘§Y P’°d“°‘S P’°°· To study methods of measurement and technical processes used ` in the manufacture of pottery, brick, tile, terra cotta, and other clay products, and the study of the properties of the materials used in that industry, including personal services in the District of Columléia. and in the Held, $20,?00. h 1 f E¥P°"’¤°“” i¤ To etermine e erimenta important sica constants o iiiii}i1¤stc:ii%Ic°uj:¤a€.¤il¤gf materials essential D) the indusliries gr in labiirairtory investigations, °t°’ as authorized b law, such as the determination of the value of gravity, thermalyconductivities of materials, mechanical equivalent of heat, metallurgical constants such as specific and latent heats of metals and alloys, the electrochemical equivalent of metals, the velocity of light; including data important in the efficient planning of industrial processes, an in the e ective utilization of the roperties of materials, including personal services in the District of Columbiaraxgl inlthe fielill, (fl}00. d d d hm A•¤¤¤e¤*=i¤>'· ¤*¢-» o eve o met o o testin an stan ar iz` mac es, motors $•i§°°°Fmg mmap tools, measulii instruments, gud other appa.rzil.1§s and devices used in mechanical?§1 draulic, and aeronautic engine ; for the comarative study ofy types of apparatus and methods of operation, and lbr the establishment of stan ards of performance; for the accurate determination of fundamental physical constants involved in the pro er execution of this work; and for the scientiHc experiments andp investigations needed in solving the problems which may arise in connection therewith, especially in response to the requirements of aeronautics and aviation for information of a purely scientific nature, inciluding personal services in the District o Columbia and in the He d $15,000. ` ,j0(,{_“‘°°’“'“‘°p'°d“°' Fdr the investigation of the problems involved in the production of optical glass, including personal services in the District of Colum- _ _ bia and in the field, $20,000. ` ,,,,°§‘,$§§f‘g °h‘*‘m°“’ For purchase, preparation, analysis, and distribution of standard materials to be used in checking chemical analyses and in the testing of physical measuring a paratus, including personal services in the _ District of Columbia andlin the Held, $5,000. ,,2`,f,§‘,§;’§,§8l§,?‘0§’,Y'#“‘°·· To investi ate textiles, paper, leather, and rubber in order to ' develop standards of quality and methods of measurement, including personal services in the District of Columbia and in the Held, _ $15,000. ,,§§fi1@_ ’“‘"""'d"“‘ For the standardization and design of sugar-testing apparatus; the development of technical specifications for the various grades of sugars with particular reference to urgent problems made pressing- by war conditions, especially involving the standardization and manufacture of sugars; for the study of the technical problems incidental to the collection of the revenue on sugar and to determine the fundamental scientific constants of sugars and other substances, including P _ personal services in the District of Columbia and in the Held, $20,000. ¤&{Z§p§$,°Y,`i wi To provide by cooperation of the Bureau of Standards, the War s°‘,§;f,,";2’g*{f*s·° · Department, the Navy Department, and the Council of National ’ De ense, for the standardization and testing of the standard gauges, screw_ threads, and standards required in manufacturing throughout the United States, and to calibrate and test such standard gauges, screw threads, and standards, including necessary equi ment, and _ _ personal services in the District of Columbia and in the Herld, $40,000. ,,,€,‘§;{,,§Y°‘g“*"g at _For investigating the conditions and methods of use of scales and mine cars use for weighing and measiuing coal dug by miners, for the purpose of determining wages due, and of conditions affecting the accuracy of the weighing or measuring of coal at the mines, including peiksona seargices the Disiilrict of Cdpxlnimaplia, and in the Held, $15,000. Mmiiurncal re- or met c researc inc u 0 steels foun ti ’°°'°"°S’"°‘ and standardsu-rar metals and sands; cisting rolling, forgi4iiyg,pzi;i3l tlize properties of aluminum alloys; prevention of corrosion of metals and
