rotation "D • • Ester value before acetylation • Estet value after acetylation • • • • 0•870 • •...well as the occurrences of France and Luxembt1rg, Spain, Mexico, Argentina, Chile and other countries. A...1923, p. 84), the Amianthus chrysotile asbestos mine near Barberton, Transvaal (previously mentioned...this BULLETIN, 192 I, 19, 536), is described. The mine is situated on the farm Joubertsdal, where the Jamestown...but the long fibre zone 1s sometimes barren. The mine is opened up by adits, and attains a depth of Soo |