' * l CONSULTATIONS BT ..O IN T M E N T W A L T E R B A U E R .

November 10, 1931 Dr.

si k w Et hyl Ga so l i n e Co r po r a t i o n Manufact ur ing Depar t ment MAIL ADDRESS: BOX 6 8 8 .

Et hyl Gasol ine Corporat ion Ch r y s l er Bu il d in g ^ 405 Le x ing t o n Av e ng e Ne w To r k October 28, 1936 x ?

E.

D A V I S CO.

Ju n e 1 , 1938 Mr. 0 * B.

February 17, 1939 Kr.

February 6, 1933 Mr.

c o P Y ETHYL GASOLINE CORPORATION NEW YORK CITY August 21, 1934 Dr.

A .B.C . 4TM O 3TM COITION **>oess oowcHCMca br a n ch sa l e s o f f ic e s n e w YORK, city SAIN T LO U IS CH ICAGO Th e D o w Ch e m i c a l Co m p a n y M ID LAN D , M ICH IGAN ,U .S .A.

LIBERTI MUTUAL Insurance Company Ps.rk Square.

March 25*1938 Mr# J# H* Sch aefer Et h yl Gasolin e Cor por ation Ch r ysle r Bu ild in g New York Cit y New York Dear Joh n s- Ca lln ga e r t has w r it t e n me w ith r e s p e ct t o the question o f the probable l i f e o f the ca n is t e r -t yp e gas mask, a ft e r w r it in g to Dr* Yant o f the Mine Sa fe t y Ap p lian ce Company* and a ft e r having had t h is question r a is e d by you, I a ls o noted t h a t you r a is e d the qu estion of the l i f e o f these masks w ith r efe r en ce to our r e gu la t io n s fo r h a n d lin g Et h yl Flu id a t m ixin g p la n t s * The^. en closed copy o f my le t t e r to Ca l w ill convey my ge n e r a l r e a ct io n t o t h is question * hut I should be glad to d iscu ss i t w ith you sin ce you may have some id e a s on the s u b je ct which have hot occur r ed to me* I s h a ll pr obably be in New York on n ext Thursday and i f you are th er e* I w ill be glad to t a lk t h is over w ith you* Sin ce r e ly yours* RAKjls Rooer t A* Ketade, KF - 0 0 0 0 9 3 4

/ /; July 16, 1930 Mr.

mmsoH Hapisoli Radiat o\ Division.