Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs. U.S. Govt. Print. Off.
Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs. U.S. Govt. Print. Off. is a publisher who has published at least 1 edition.
From sundials to atomic clocks
ByJames Jespersen,Jane Fitz-Randolph
January 1, 1977 • Physical Book • 175 pages