ETH Y L CORPORATION lOO PARK AVENUE BUILDIN G AT 41s t STREET N E W Y O R K 17, N .

3 December 21, l$3h Dr.

J .

April 3, 1935 Professor Doctor Sieveklng Bureau des Gesundheitsamtes Hamburg Germany My dear Doctor Sieveklng: > I am pleased to have the opportunity to write you with regard to the consultation work which you have agreed to carry out in the medical supervision of workmen who are to be engaged in mixing Ethyl Fluid with gasoline in Germany.

CLINTON H.

F E L I X E D G A R W O R M S E R , P R E S I D E NT K .

< F E L IX EDGAR W O R M S E R ,m e s i o e N T .

P a u l G .

:w: " ' v - - Dr* Sidney McCurdy . , Supervisor*- M edical'Section ' ' ' The In d u s tria l Commission o f Ohio Columbus* Ohio v _ -,j: Bet 0* D* ' 5' . .f...i' >" Pear Doctor Mc f u ?

V JRY, Ch a ir ma n E j ELL, Sec r et a r y DR.

.vv* /-' COPY EMERY B.

July 1, 1968 Melvin W.

NEWMONT MINING CORPORATION 3 0 0 PARK AVENUE NEW YOR K 2, N.Y.

b i)U:) \5>C*>v*-***&*- I--J(-i'/i l.J.SO r .J; October 11, 19^7 Mr.

ETHYL CORPORATION 100 PARK AV EN U E BUI LDI N G PARK AVEN UE AT 4Tst STREET >:EWYORK 17, N.