Announcing . 7&WING iw@4&- ' DRAFT INDUCER FOR POWER PLANTS - 4(opr(oz v ck aw amfkte UAiit In (hit new high-pressure "Package" Draft Inducer, the motor (or turbine) and fan unit, completely Indepen dent of the casing, make* installation considerably easier, and being easily removed, facilitates inspection and maintenance.

* 3* rl&. y ,i-A% >,* ^ Chewing GxjmMa nuf a ct ur er s WR.IGLEYBUILDING -4-10NORTHMICHIGANAVENUE SS8tt hi Tan. 6, 1936 Robert A.

1 CABLEGRAMS: ETKYLPORT, LONDON.

December 10, 1931 :lT, R

-i STA N D A RD O IL CO M PANY - ^ IN C O R P O R A T E D IN N E W J E R S E Y ^ 2 6 BRO AD W AY, NEW Y O R K U CHESTER O.

" January 2k, 1939 / Dr*.

4.

Octobe r 16# 1938 Mr Ir a D* Card JIT Yak In a# 'Washing ton Dear Mr* Ca r d i ff: I re g re t to --s ay. that., your inform ation about the p u b lica tio n o f a fu rth e r a r t i c l e from th is lab o rato ry on the spray re s id u e problem Is in co rre ct* Y/e have some info rm atio n on one phase o f the problem which is in the de ve lopme ntal s ta g e # but about; which no thing i s l i k e l y to be publis he d fo r some months. .

HARVARD UNIVERSITY SCHOO L O F PUBLIC HEALTH De pa r t m e n t o p In d u s t r ia l Hy g ie n e 5 5 Shattuck Street Tjoston, tMassachusetts March I S , 1939 Dr .

The Journal of Industrial Hygiene Published by the HARVARD SCHOOL OF PUBLIC HEALTH Editor for th United States D avi 1 .

/ Th e J ournal of Industrial H ygiene Published by the H ARVARD SCHOOL OF PUBLIC H EALTH Editor for the Un it ed States Da v id I..

Cal ifornia Chemical Corporat ion Xewar k .Ca l if o r nia May 5, 1932 Dr* Robert A.

A p r il G, 1040 r * V:V' Secretary , Gran ge St a t e - i l .

April 22, 1939 Dr.

w/ oVii -<1 ^ ^f, ~$k vJtC. \ v* V J--a O 0 t_ -O -^ - * rA 4 ^ \* v ' V ^JLa I v J U J iJ V- 316 South Pennsylvania Denver, Colorado May 13 1939 ft*w {*^} ^.3.