Fe b r u a r y S , l^ f-O Dr .

EXP ERIM EN TA L W ORK IN P RO GRESS in TH E KETTERIN G LABO RATO RY Th e gen er al w ork of the Lab o r at o r y in clu des th e clin ical study of specific patien ts su fferin g from d ise ase s su spected of being occupation al in o r igin .

April 25, lS4p Mr.

Corporal Meyer Freedman, Post Engineers, Petroleum Section, 1391 AAF-B (NAD-M'C), APO 6, c/o Postmaster, New York City. . .

fco Dr.

ETH YL CORPORATION 1 0 0 P A R K A V EN U E BU ILD IN G A T 41st ST R E E T NEW YO RK 17, N.

KF 0015387 V J ij * ,___________________________________ U : S . _______________ COUNTRY OF DESTINATION SECOND FOLD HERE- -FIRST FOLD HERE SENDER'SNAME AND ADDRESS /y ~ - - VD . f A / f l L / F l~/~ 2_/ ^ ' / ip ______^7O&'ls-ZrtsLs\S>T.

A.

November 5, 19f2.

ETHYL CORPORATION November , 1 9 ^ Memorandum to: Messrs.

ETHYL CORPORATION Inter-Office Correspondence September 1, 19 $ h To: Messrs.

TH E H ARDEN LECTURES, 11960 TH E M ETABOLI SM OF LEAD I N M AN I N H EALTH AND DI SEASE by ROBERT A.

Copy t o D r .

c 0 P Y Chicago, Illinois July 15, 19*40 Mr. 0. 3.

A sample of molding sand from the American Crucible Products Company, Lorain, Ohio, was submitted for examination.