Series of six letters from various officers of the Council for Scientific and Industrial Research to W.R. Lang between 1938 and 1950 re: issues to do with wool testing and requests for an expert opinion. Two are from I. Clunies Ross and include a copy of a speech titled "The Relationship of Textile Research to the Problems of the Wool Grower".wool - research wool - testing textile testing world war ii, council for scientific and industrial research, lang, dr w. roy clunies ross, mr ian, wool - research, wool - testing, textile testing, world war ii