Books by Robert J. Kehl:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Kehl, Robert J. (Robert Joseph), 1889-: Oxy-acetylene welding practice; a practical presentation of the modern processes of welding, cutting (American technical society, 1917), also by American Technical Society (page images at HathiTrust)- Kehl, Robert J. (Robert Joseph), 1889-: Oxy-acetylene welding practice; a practical presentation of the modern processes of welding, cutting, and lead burning, with special attention to welding technique for steel, cast iron, aluminum, copper and brass (American technical society, 1920), also by American Technical Society (page images at HathiTrust)
- Kehl, Robert J. (Robert Joseph), 1889-: Oxyacetylene welding (American Technical Society, 1939), also by Morgan H. Potter and American Technical Society (page images at HathiTrust)
Find more by Robert J. Kehl at your library, or elsewhere.