Show dust ani tuberculosis As a result of the dangers from con to choso exposed to various forms of dust and at the request of tho the national association for the study ami and prevention ot of tb th united states govern mo me it lias has recently a commission to work ork in cooperation opera tiou v ith state authorities la in making an investigation into tho the con of the metal mining ln lus tries in he united states with special ref fence ti aisea tes of the lungs tha the v ork of the commission engaged in this stecial task will follow lines hat similar to those worried out by the royal commission of australia Auit ralla whoso report vaas as recently received la in this country |