The Secretary shall make appropriate use of publicly assisted housing and particularly low-rent housing assisted under the United States Housing Act of 1937 [ 42 U.S.C. 1437 et seq.] in demonstrating solar heating systems and combined solar heating and cooling systems under this subchapter. ( Pub. L. 93–409, § 17 , Sept. 3, 1974 , 88 Stat. 1078 .) Editorial Notes References in Text The United States Housing Act of 1937 , referred to in text, is act Sept. 1, 1937, ch. 896, as revised generally by Pub. L. 93–383, title II, § 201(a) , Aug. 22, 1974 , 88 Stat. 653 , which is classified generally to chapter 8 (§ 1437 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 1437 of this title and Tables.