Letter from the Belmont Valley Woolscour, Queensland, 1949 to W.R. Lang requesting his opinion of a method of scouring.wool processing, belmont valley woolscour, scouring, lang, dr w. roy strachan, mr norman w - belmont valley woolscour

Letter from L W Smith Pty Ltd to W R Lang 25th October, 1949, regarding a new scouring processRBSwool - research wool - testing, gordon institute of technology l w smith pty ltd, scouring, lang, dr w. roy strachan, mr norman - l w smith pty ltd, wool - research, wool - testing

Letter from M W Strachan, "Edkins Marsh & Co Ltd", wool scourers, to W R Lang re. receopt of publicationswool processing wool - research, edkins marsh & co ltd, scouring, strachan, m w - edkins marsh & co ltd lang, dr w. roy, wool processing, wool - research