Cowan, R. Guy2017-09-252017-09-251907-09-21http://hdl.handle.net/10829/8005Cowan wrote Binns about problems at work, including product ingredients and work situations.2 pagesen-USCowan, R. Guy, 1884-1957Binns, Charles Fergus, 1857-1934Canonsburg PotteryShenango Pottery CompanyBoric acidThesisWork problemsLetter from R. Guy Cowan to Charles F. Binns, September 21, 1907Correspondence