Letter from the The Kelson Products Co to W R Lang 11th April 1940, the testing of wool taken off sheep skins after the animal had been slaughtered469/40wool - research wool - testing world war ii, gordon institute of technology the kelson products co, fellmongery, lang, dr w. roy, wool - research, wool - testing, world war ii

Letter from the The Kelson Products Co to W R Lang 25th June 1947, requesting information on the wool testing service at the Gordon College of Technology.wool - research wool - testing merino sheep - history, gordon institute of technology s kidman & co, lang, dr w. roy, wool - research, wool - testing, merino sheep - history