conomical answers to industrial prob E lems--a few of which arc shown on these pages--call for specialized JaciiUiea and years of experience.

"rCCf& T^re&dwie Op*fie tor fer9tt$ ~~fe btowoff m Timty retult-Wtt fttam Bfmw%'trhtrged ogsinst the intermit- Sf&Womi ,h"d- Thei' (*> KftjuVr to maltdsin uniform solids PSvstio". ketchc* P m (2) ,he ^n'-errot-operelor's failure to repSffir to blow down (3) difficulty in IKSGtifftltiiouupous blowtdeocwonv,crTt-he second Rtfia'tesi method of removing concengftjfiolids, answers these major dis"Aniiutei Bui >l* **lu* begins to tell CofiOtt\tgtt rotvrot f5^Ji!

BEARING FAILURES --' - C----* *">20 stray heal, helps against corrosion.

UNIVERSITY OF CINCINNATI ' COLLEGE O MEDICINE GENERAL HOSPITAL !.

/ / / E.f. du Pont de Nemour s & Company INCORPORATED DYE WORKS . \ MAIL, TELEGRAPHIC AND EXPRESS ADDRESS PENNS GROVE, N.

' ai f, j Januaiy 29, 1937,, A * **^1. 4?

August 6, 1937 D r.

January 9 s 1933 Dr, Martin H, Fischer College of Medicine Cincinnati, Ohio Dear Doctor Fischer: I am sending you herewith copies of the Laboratory budget for the ensuing year 1953 follow ing its approval by the Ethyl Gasoline Corporation, Following the request of President Walters and Dr, Bachmeyer, I have seen to it that certain alterations in the salaries supplement those effected in July in carrying out the general policy of the University, I trust that this will meet with your approval.

GrahamEdgar ' D IR E C T O R O F R E S E A R C H Etf hyl Gasol ine Corporat ion Chr ysl er Builehstg 405Lexingt on Aveshe Ne w Yo r k June 8, 1936 Dr Robert A* Kehoe University of Cincinnati College of Medieine Cincinnati Ohio % dear Kehoe$ I enclose a copy of a letter fresa Mir Bassford* I nill appreciate it if you Hill send me a copy of your reply as I esakeeping a complete file on this subject* ge/ l r j Ene* \J

September 3, 1930 Dr.

E .

Ever yt h i n g f o r M i n e an d I n du st r i al Saf et y Mr.

August 21, 1933 Mr# Glsndoa A* Schubert Auto Body Service Foot of V7awbeek Avenue upper Lake, Hew York Dear Mr# Schubert?

F O R M 33)* J.

kC--*4i O Kr.