Books by no. 331 United States. Bureau of standards. Circular:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
United States. Bureau of standards. Circular, no. 331: Specification for chrome yellow (Govt. Print. Off., 1927), also by United States. National Bureau of Standards and no. 476 United States. Federal specifications board. Standard specification (page images at HathiTrust)- United States. Bureau of standards. Circular, no. 331: United States government master specification for chrome yellow (lemon, medium, and orange; dry, paste in oil, and paste in Japan) ([Govt. Print. Off.], 1927), also by United States. Bureau of Standards and no. 476 United States. Federal specifications board. Standard specification (page images at HathiTrust)
Find more by no. 331 United States. Bureau of standards. Circular at your library, or elsewhere.