Document ZBLy6zR7XQmOvmaQ8ex1evj0J

/ V" .--I. ^< - i; -*-.' i ' '-?'"> - ' 'S- ' p? <: ,, *v t. i< *?1-a /U Note to Members; Here are the Proceedings for the fourth fall meeting of Air Hygiene Foundation. The bulletin contains important information on the medical, engin eering. legal, labor end public relations aspects of industrial health. Please help us bring this timely material before all interested executives in your organization. Additional copies are available to members free of charge. (jojz- April, 1940 Air Ityglene Foundation, 4400 Fifth Avenue, Pittsburgh, Pa. } iI A %t>\ 005286 [.