54 STAT.] 76TH CONG., 3D SESS.-CH. 313 -JUNE 11, 1940 $8,800), of which amount of $8,800 not to exceed $3,600 may be expended for rental of tabulating and other mechanical equipment. Bureau of Engineering, $310,480 ("A" item). Bureau of Construction and Repair, $347 479 ("A" item). Bureau of Ordnance, $150,000 ("A" item). Bureau of Supplies and Accounts, $928,140 (composed of "A" item, $811,460, and "B" item, $116,680). Bureau of Medicine and Surgery, $152,510 (composed of "A" item, $102,270, and "B" item, $50,240). Bureau of Yards and Docks, $276,000 ("A" item). Bureau of Aeronautics $360,400 ("A" item): Provided, That the services of technical and clerical personnel may be employed only in the Bureau of Aeronautics in connection with the design and construc- tion of aircraft, to be paid from the appropriation '"Aviation, Navy, 1941": Providedfurther,That the expenditures on this account for the fiscal year 1941 shall not exceed $172,800. In all, salaries, Navy Department, $4,545,079 (composed of "A" items, $4,175,879, and "B" items, $369,200). In expending appropriations or portions of appropriations con- tained in this Act, for the payment for personal services in the Dis- trict of Columbia in accordance with the Classification Act of 1923, as amended, with the exception of the Assistant Secretaries of the Navy, the average of the salaries of the total number of persons under any grade in any bureau, office, or other appropriation unit shall not at any time exceed the average of the compensation rates specified for the grade by such Act, as amended, and in grades in which only one position is allocated the salary of such position shall not exceed the average of the compensation rates for the grade, except that in unusually meritorious cases of one position in a grade advances may be made to rates higher than the average of the compensation rates of the grade but not more often than once in any fiscal year and then only to the next higher rate: Provided, That this restric- tion shall not apply (1) to grades 1, 2, 3 and 4 of the clerical- mechanical service, or (2) to require the reduction in salary of any person whose compensation was fixed as of July 1, 1924, in accordance with the rules of section 6 of such Act, (3) to require the reduction in salary of any person who is transferred from one position to another position in the same or different grade in the same or a differ- ent bureau, office, or other appropriation unit, (4) to prevent the payment of a salary under any grade at a rate higher than the maxi- mum rate of the grade when such higher rate is permitted by the Classification Act of 1923, as amended, and is specifically authorized by other law, or (5) to reduce the compensation of any person in a grade in which only one position is allocated. CONTINGENT EXPENSES For professional and technical books and periodicals, lawbooks, and necessary reference books, including city directories, railway guides, freight, passenger, and express tariff books and photostating, for Department library; for purchase of photographs, maps, docu- ments, and pictorial records of the Navy, photostating and other necessary incidental expenses in connection with the preparation for publication of the naval records of the war with the Central Powers of Europe; for stationery, furniture, newspapers, plans, drawings, and drawing materials; purchase and exchange of motortrucks or motor-delivery wagons, maintenance, repair, and operation of motor- trucks or motor-delivery wagons; garage rent; streetcar fares; freight, expressage, postage, typewriters, and computing machines 193470°-41-PT. I-19 289 Bureau of Aeronau- tics. Provisos. Aircraft design and construction. Limitation on ex- penditures. Salary restriction. 42 Stat. 1488. 6 U.S . C .§§661-674; Supp. V, §§ 673, 673c. Proiso. Restriction not ap- plicable in designated cases. 42 Stat. 1490. 6U. .C. 666. Post, pp. 297, 610 , 883, 973. Contingent ex- penses.
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