Books by G. R. Armstrong:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Armstrong, G. R. (Gerald R.): Development of vibratory compaction techniques for radioactive source fabrication (Oak Ridge, Tennessee : United States Atomic Energy Commission, Technical Information Service, 1962., 1962), also by William A. Greenhow, General Scientific Corporation, and U.S. Atomic Energy Commission. New York Operations Office (page images at HathiTrust)
Find more by G. R. Armstrong at your library, or elsewhere.