sZlicemfelitathended. tetraethyl lead doctors whoreceived iris letters in the territories in which you market.

Despite this fact we have never been able to find evidence of significant lead absorption In the mixing personnel.

These daughters rapidly decay to lead-210 in the respiratory passages.

However, an over-all Committee in Los Ange les has recently been formed for the study of smog, con- sisting of a membership of 80 leading citizens, representing all branches of business, industry, professions, and home owners.

It is my impression that the use of x-rays for diagnosing lead poisoning has been performed mostly by pediatricians who have little knowledge of lead toxicology and who therefore tend to rely on a tool which they already have in their possession.

(Lead dust in the atmosphere.)

A copy of the form should be returned to the |i Advertising Dept, for each lead received.

Joseph Lead Co.

Joseph Lead Co.

Turnbull, Chemical Engineer for the Company's Easton Lead Division, and re lated'to a process for preparing lead silicate pigment by reacting silicate with a basic lead acetate solution.

did by Agreement dated February 28, 1950, grant to THE CASTER WHITE LEAD eCMPAMY OF GASADA, LIMITED a non-exclusive, irrevocable, royaltyfree license under Canadian Patent 491,507 (then Canadian Appli cation 8,1. 555,483) to make, use, and sell modified lead sulphate pigments for the full term of said Letters Patent; and WHEREAS, MTX0KAL LEAD COMPAMY, a eSmpimy organised and existing under the laws of the state of lew Jersey, United States of America, having an office at 111 Broadway, lew York, Hew fork, is dealrous of acquiring from THE CAHAQA METAL CtSffAST miXXED the entire right, title, and interest in, to, and under the afore* mentioned Letters Patent, subject to continuation of the afore mentioned license to THE CARTER WHITE LEA COMPAMI OF CUiJiM LIMITED'.

We do not, however, subscribe to the Health J^sp&rtsaent'g concern over the conservation, of lead-metal.

Despite this fact we have never been able to find evidence of significant lead absorption In the mixing personnel.

V.o are enclosing fo r y o u r information and records, the analytical results fo r lead on the samples of blood and urine obtained from Mr The results would Indicate that no lead had been absorbed by Mr.

Joseph Lead Co.