Builders' Hardware (Nontemplate) (Second Edition)
CS22-40 Hardware; Builders* (Nontemplate) U. S. DEPARTMENT OF COMMERCE HARRY L. HOPKINS, Secretary NATIONAL BUREAU OF STANDARDS LYMAN J, BRIGGS, Director BUILDERS^ HARDWARE (NONTEMPLATE) (SECOND EDITION) COMMERCIAL STANDARD CS22-40 (Supersedes CS22-30) Effective Date for New Production from July 1, 1940 A RECORDED VOLUNTARY STANDARD OF THE TRADE UNITEa> STATES GOVERNMENT PRINTING OFFICE WASHINGTON ; 1940 For sale by the Superintendent of Documents, Washington, D. C. Price 10 cents U, S. Department of Commerce National Bureau of Standards PROMULGATION of COMMERCIAL STANDARD CS22-40 for BUILDERS’ HARDWARE (NONTEMPLATE) (Second Edition) I The first general conference of producers, distributors, and users I held at the Department of Commerce, May 20, 1924, resulted in the I publication of Simplified Practice Recommendation No. 18, Builders’ Hardware, effective January 1, 1925. On the recommendation of the first revision conference in New York City on September 14, 1926, with the approval of the standing committee, and subsequently | accepted by the trade, there was published Simplified Practice Recom- j) mendation No. 18, Builders’ Hardware (first revision, September 14, i 1926), effective May 1, 1927. I On May 7, 1929, the Advisory Committee on Standardization of 1 Builders’ Hardware, with the approval of the standing committee, adopted additional nomenclature, types, sizes, standard finishes, and I practices, which, after written acceptance by the trade, were published as Builders’ Hardware (Nontemplate), Commercial Standard CS22-30, effective for new production from June 1, 1930. On April 16, 1940, upon recommendation of the Advisory Com- 1 mittee on Standardization of Builders’ Hardware and with the endorse- ment of the standing committee, a further revision was circulated to the trade for written acceptance.
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