Document GK3Ze9mGvR0LGkey7mymX03Ln

INTEROFFICE CORRESPONDENCE Et h y l Ga s o l in e Co r p o r a t io n Ch r y s l e r Bu il d in g 135 Ea s t 421!? St r e e t Ne w 'Yo r k July 13, 1935. Dr. Willard F. Machle, Dear* Dr. Machle: Thanks for your letter of July 11th giving us your comments on the Willson Respirators and also the Bullard gas masks. This enables us to answer the American Petroleum Institute letter on this subject and we thank you for the information. Kr 0022476