| 511. | Joint development of unitary plan for construction of facilities; construction at educational institutions. | |
| 512. | Limitation on cost of construction and equipment; vesting of title to facilities. | |
| 513. | Expansion of existing facilities; appropriations; testing of models. | |
| 514. | Expansion of facilities at Carderock, Maryland. | |
| 515. | Reports to Congress. | |
| 521. | Establishment; construction, maintenance, and operation of public works and wind tunnels. | |
| 522. | Acquisition of lands; advance payments for construction. | |
| 523. | Employment of civilian personnel. | |
| 524. | Authorization of appropriations. | |
