November 28, 1958 Dr , Ru s s e ll Wild er Mayo Clin ic Ro ch e s t e r , Min n esota Dear' Doc t o r %7ild e r s - A few d ays ago my a t t e n t io n was c a lle d to a ca se o f a lle ge d le a d p oison in g d e r ive d r e p u t e d ly from t h e h a n d lin g o f le a d e d g a s o lin e * Cases o f a lle g e d in ju r y or illn e s s fr om t h is ca u se a r e u s u a lly r e p o r t e d t o me p r om p tly t h r o u gh ar r an gem en t w it h th e in d u s t r y , and they can be In v e s t iga t e d In an e a r ly s t a g e .:.

April 21, 1950 Dr.

MEDiCAL DEPARTMENT &3TISHER BODY DIVISION GEN ERA L.

To: Mr.

G .G .: M r.

December 10, 1957 Dr, W, H, Fr amp ton Box $67 Charleston* South Carolina Dear Doctor Frampton:* Please accept my thanks for your cordiality and frankness on my recent brief visit to your office.

LEAD INDUSTRIES ASSOCIATION 420 Lexington Avenue NewYork17, N.

J* W IL L IA M E.

EFFEC T OF THE FOURTH MILLIMETER ON GASOLINE T EL CONCENTRATIONS Introduction Petroleum refin ers currently a re licensed to use up to 3.0 m iilileters of te tra ethyllead per gallon in autom otive g asolines.

TH E A SSO C IA TED ETH Y L COM PANY LIM ITED A R TIIA ER -X H O U SE, A R TILLER Y ROW, LO YDO Y, SAK 1 Jelephone : ABBEY 3 9 7 4 Jelegram s: ETHYL PORT, SOW EST.

Air Mail May 13, 1959 Mr.

ETHYL CORPORATION loo PARK AVENUE BUILDING AT 41st STREET NEWYORK 17, N.

October 28, 1959 Effect of season and temperature on childhood pltunbism.

March 3, 1959 Mr.

October 21, 1957 Dr.