srxrr-snvnurn oouennss. Sess. IV; os. 24. 1923. 1117 two messengers, at $840 each; assistant messenger, $720; superintendent of mechanical plant, $2,500; assistant engineers——one $1,600, one $1,400, two at $1,200 each, one $1,000, one $900; two pipelitters, at $1,000 each; five firemen, at $720 each; glassblowers-one $1,600, one $1,200; glassworker, $1,600; electricians-one $1,400, one $1,200, one $900; foreman of janitors and laborers, $900; fourteen laborers, at $660 each; janitors-——three at $660 each, one $600; two female — laborers, at $360 each; in all, $432,360. For apparatus, machinery, tools, and appliances used in connec- Apvm¢¤¤.e¢e· tion with buildings or work of the bureau, laboratory supplies, ‘m°’°°1m' materials, and supplies used in the construction of apparatus, machinery, or other appliances, including their exchange; piping, wiring, and construction incident to the installation of a paratus, machinery, or appliances; furniture for laboratories and oflildes, cases for apparatus, 75,000. For repairs and necessary alterations to buildings, $20,000. 6,§°P“""*° "““‘**”g“· For fuel for heat light, and power; office expenses, stationery, ientiuzent expensesbooks and periodicals, which may be exchanged when not needed ”t°’p 'm1‘ for permanent use; traveling expenses, including expenses of attendance upon meetings of technical and professional societies when required in connection with standardization, testing, or other official work of the bureau; street car fares not exceeding $100; expenses of the visiting committee; ex enses of attendance of American m}a¢e¤g¢$Ve¤e1 ,80emmember at the meeting of the Iiiiternational Committee of Weights n¤Jli&. ugh md and Measures; supplies for operation, maintenance, and repair of passenger automobiles and motor trucks for official use, including their exchange; and contingencies of all kinds, $75,000. For grading, construction of roads and walks, piping ounds for °¤*¤·¤*>¤-»°f=*¤¤¤d¤· water supply, lamps, wiring for lighting purposes, an? other expenses incident to the imylarovement and care of grounds, including foreman and laborers in the District of Columbia, $10,000. For continuation of the investigation of structural materials, such Structural materials as stone, clays, cement, and so forth, including personal services in mv°mg°h°°S' the District of Columbia and in the Held, $195,000: Provided, That llgrvviee, as much of this sum as necessary shall be used to collect and dis- qua'$i'§`f§§ii2§0¤.°°` seminate such scientific, practical, and statistical information as may be procured, showing or tending to show approved methods in building, planning, and construction, standardization, and adaptability of structural units, including building materials and codes, economy in the manufacture and utilization of building materials and supplies, and such other matters as may tend to encourage, improve, and cheapen construction and housing. For maintenance and operation of testing machines, including ,§’;;*3»%;¤;s§°t;*.§¤g:=*¤* personal services in connection therewith in the District of Columbia P ` and in the field, for the determination by the Bureau of Standards of the physical constants and the properties of materials as authorized by law. $35,000. For investigation of fire-resisting pro rties of building materials ,u;°";,•;,;°r§§,;m€ *’““d· and conditions under which they may E; most efficiently used, and ` for the standardization of types of appliances for fire prevention, including personal services in the District of Columbia and in the field, $23,000. For investigation of the standards of practice and methods of m,“§g‘,§{§g‘}°“”°‘P"b‘ measurements of public utilities, such as gas, electric light, electric power, water, telephone, central station heating, and electric railway service, and the solution of the problems which arise in connection with standards in such service, including personal services in the District of Columbia and in the field. $95,000. _ For testing miscellaneous materials, such as varnish materials, m'§§§’,,Y°u""‘°"“‘ soap materials, inks. and chemicals, including supplies for the Gov-
