Supplement to Circular No. 25: Standard Samples Issued Or in Preparation Published: 1924 Total Pages: Get eBook
Supplement to Circular No. 25 United States. Bureau of Standards Published: 1821 Total Pages: 12 Get eBook
Standard Samples General Information United States. Bureau of Standards Published: 1928 Total Pages: 36 Get eBook
Standard Samples--General Information United States. National Bureau of Standards Published: 1917 Total Pages: 16 Get eBook
Technical News Bulletin of the National Bureau of Standards Published: 1925 Total Pages: 682 Get eBook