54 STAT.] 76TH CONG., 3D SESS.-CH. 313 -JUNE 11, 1940 in addition to which sum the Bureau of Mines may use for helium- plant operation in the fiscal year 1941 the unexpended balance of funds transferred to it for such operation in the fiscal year 1940, and the Bureau may lease, after competition, surplus metal cylinders acquired for use as helium containers; for continuing experiments and devel- opment work on all types of aircraft, including the payment of part-time or intermittent employment in the District of Columbia or elsewhere of such scientists and technicists as may be contracted for by the Secretary of the Navy, in his discretion, at a rate of pay not exceeding $25 per diem for any person so employed and payment of the travel expenses of such persons if they be members of the Naval Reserve ordered to active duty, $7,500,200 ("A" item); for new con- struction and procurement of aircraft and equipment, spare parts and accessories, $41,083,400 ("A" item), of which amount not to exceed $20,000,000 shall be available for the payment of obligations incurred under the contract authorization carried in the Navy Appropriation Act for the fiscal year 1940; in all, $94,02,900 (composed of "A" item, $84,402,900, and "B" item, $9,800,000), and the money herein specifi- cally appropriated for "Aviation" shall be disbursed and accounted for in accordance with existing law and shall constitute one fund: Pro- vided, That the sum to be paid out of this appropriation for employees assigned to group IV (b) and those performing similar services carried under native and alien schedules in the Schedule of Wages for Civil Employees in the Field Service of the Navy Department shall not exceed $2,81,000 (composed of "A" item, $2,143,200, and "B" item, $137,800): Provided further, That in addition to the amount herein appropriated, the Secretary of the Navy may, prior to July 1, 1942, enter into contracts for the production and purchase of new airplanes and their equipment, spare parts and accessories, to an amount not in excess of $25,000,000: Provided further, That the Secretary of the Treasury is authorized and directed, upon the request of the Secretary of the Navy, to transfer not to exceed in the aggregate $50,000 from this appropriation to the appropriations "Pay, subsistence, and trans- portation, Navy" and "Pay, Marine Corps" to cover authorized traveling expenses of officers and enlisted men in connection with flying new airplanes from contractor's works to assigned station or ship, including travel to contractor's works and return of personnel to stations of duty, and the amount so transferred shall be in addition to any limitations contained in the appropriations "Pay, subsistence, and transportation, Navy" and "Pay, Marine Corps": Provided further, That no part of this appropriation shall be used for the construction of a factory for the manufacture of airplanes: Provided further, That the Secretary of the Navy is hereby authorized to consider, ascertain, adjust, determine, and pay out of this appropriation the amounts due on claims for damages which have occurred or may occur to private property growing out of the operations of naval aircraft where such claim does not exceed the sum of $500. MARINE CORPS PAY, MARINE CORPS Pay of officers, active list: For pay and allowances prescribed by law for all officers on the active list-pay and allowances, $4,564,850, including not to exceed $311,760, for increased pay for making aerial flights, none of which shall be available for increased pay for making aerial flights by nonflying officers at a rate in excess of $1,440 per annum, which shall be the legal maximum rate as to such nonflying officers; subsistence allowance, $643,422; rental allowance, $796,769; 283 Experiments and development work. New construction, etc. Incurred obliga- tions. 53 Stat. 775. Total; accounting. Provisos. Group ,IV (b) em- ployees. Contracts for new airplanes, etc. Transfer of sums for traveling expenses. Airplane factory con- struction, restriction. Adjustment of dam- age claims. Post, pp . 295, 296, 609, 882, 973. Post, pp. 296, 973 . Pay, etc., of officers on active list. Aerial flights, limi- tation on increased pay for.
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