Document a4mLoyeGaQRY1nXMNBMDaM0Q9

TFT /CJ ) TELEPHONE: KAUC. t73 ''l IN REPLY PLEASEQUOTE y........... 55/1.... COMMONWEALTH OF AUSTRALIA department of health COMMONWEALTH HEALTH LABORATOR KALGOORLIE ..3QXh..,.. .Q..LQ.b.$x,.. 19 51. Dr. A. King, Tuberculosis Control Branch., 17 Hurray Street, P 5 R T H.VI. A. Dear Dr- King', Your Deference PKD - 6 Australian Blue Asbestos l!ine . No miner v;as diagnosed as silicotic following the visit of the Mobile Laboratory in July, 1951 * There were nine cases diagnosed as F plus All these had been so diagnosed before commencing work at 7/ittenoom - they had all beer, some time in th-y industry in other localities, except an'engineer. .Thisr man i -who had-'been longest on the' mine had been some five years acting as engineer and supervisor-. The increased marking in this case may well have a cardiac basis. The next longest period was another engineer, who had been some two years - three had been only twelve months and two others about twenty months. ` It does not appear that any of these men show increased markings as a result of finest os Yours faithfully. if (T .P . Tighe) . HTDICAL .OFFICE Through / / ' . / i:tdic. (S.S. Alexander) .''T?T`r r1?". _ T JU-, / -t'-v //