63 STAT.] 81ST CONG., 1ST SESS.-CH. 235-JUNE 22, 1949 legislative garage, and for air-conditioning refrigeration not supplied from plants in any of such buildings; for heating the Government Printing Office and Washington City Post Office and for light and power therefor whenever available, reimbursement for which shall be made and covered into the Treasury; personal and other services, fuel, oil, materials, waterproof wearing apparel, and all other neces- sary expenses in connection with the maintenance and operation of the plant, $1,419,000. The appropriations under the control of the Architect of the Capitol may be expended without reference to section 4 of the Act approved June 17, 1910 (41 U. S. C . 7), concerning purchases for executive departments. LBRARY BUILDINGS AND GROUNDS MECHANICAL AND STRUUrRUIAL MAINTENANCE Salaries: For chief engineer and all personal services at rates of pay provided by law, $205,400. Salaries, Sunday opening: For extra services of employees and addi- tional employees under the Architect of the Capitol to provide for the opening of the Library Buildings on Sundays, at rates to be fixed by the Architect, $14,700. Repairs and maintenance: For the necessary expenditures for me- chanical and structural maintenance, including minor improvements equipment, supplies, waterproof wearing apparel, and personal and other services, $120,000. Furniture and furnishings: For furniture, partitions, screens, shelv- ing and electrical work pertaining thereto and repairs thereof office and library equipment, apparatus, and labor-saving devices, $70,000. BOTANIC GARDEN Salaries and expenses: For all necessary expenses incident to main- taining, operating, repairing, and improving the Botanic Garden and the nurseries, buildings, grounds, collections, and equipment per- taining thereto, including personal services (including not exceeding $3,000 for temporary labor without regard to the Classification Act of 1923, as amended); waterproof wearing apparel; not to exceed $25 for emergency medical supplies; traveling expenses including street- car fares, not to exceed $275; the prevention and eradication of insect and other pests and plant diseases by purchase of materials and pro- curement of personal services by contract without regard to the pro- visions of any other Act; purchase and exchange of motortrucks; maintenance, repair, and operation of a passenger motor vehicle; pur- chase of botanical books, periodicals, and books of reference, not to exceed $100; and repairs and improvements to Director's residence; all under the direction of the Joint Committee on the Library; $188,000: Provided, That no part of this appropriation shall be used for the distribution, by congressional allotment, of trees, plants, shrubs, or other nursery stock. LIBRARY OF CONGRESS Salaries, Library proper: For the Librarian, the Librarian Emeri- tus, and other personal services including special and temporary serv- ices and extra special services of regular employees (not exceeding $5,000) at rates to be fixed by the Librarian, services as authorized by section 15 of the Act of August 2,1946 (5 U. S. C. 55a), and personal services for printing and binding, $2,829,600, of which so much as 81939--50-PT . 1 - -15 225 Reimbursement for heat, etc. 36 stat. 531. Post, p. 401. 42 Stat. 1488. 5 U. S. 0 . §§661-74: Supp. II, § 661 et seq. Poat, p. 972. Distribution of nursery stock. 60 Stat. 810.