Document jkeOGZLVqR1Xk2rBkXO6bVNN

Juno 27* 1933 Willson Products Company, Inc. Reading Pennsylvania Gentlemen? Wo have had several requests for approval of your chemical cartridge respirator and fume and smoke mask for use in working in atmosphere contain ing lead tetraothyl* In looking over your folder describing these masks, we find no reference to the types of cartridges available or to the cartridge which you recommend for use in organic vapors* If you will forward us one of your respirators and smoke masks with cartridges for organic vapors^for lead tetraethyl, we will be pleased to examine them and answer the Inquiries that now are pending. Very truly yours. WFM?IS Willard F, Machle, M.D. Medical Department Ethyl Gasoline Corporation 0022481