Issued 1929 as its Miscellaneous publication no. 92; 1932 as Handbook of the Bureau of Standards no. 17; later issues as NBS handbook no. 21, 40, 46 ....
Issued 1929 as its Miscellaneous publication no. 92; 1932 as Handbook of the Bureau of Standards no. 17; later issues as NBS handbook no. 21, 40, 46 ...