Anaconda Lead Products Company, 111 WeBt Washington Street, Chicago, Illinois.

Anaconda Lead Products Company, 25 Broadway, New York.

Crane* I haw just roeiw4 froa Or* Atb* and.era traue- ' witting to 'the Treasurer,of the Oniwrsity* the eheok for If*000*00 which you sent Or* Aub for oontinued studios of tho lead problem and the .proll9.xB immediately related thereto* I wat^ho send you say personal tharass and the thanks ^ of the school for your great interest in ths and your generosity* X feel convinced that thus far. this investigation has teen a really profit-* ; v able one for hwmakind and X think for those Interested in the whole problem of bygieruj* ,of the lead workers* and I trust that there will be as effective and useful re sults gained In these future studies* v.'

ANACONDA LEAD PRODUCTS COMPANY NSW YORK.

. /* u&owpson, toe ticncl Lead Goapaay, 111 Broadway, Hew York, tiiijt S.f, Pear Dr# tooscpson; . . ,,;.y; :,L j.' ' * Dr.

Anaconda Lead Product* Co., Ill Wet Washington St.f Chicago, 111.

' > - ANACONDA LEAD PRODUCTS COMPANY NSW YORK.

i, ; ' ANACONDA LEAD PRODUCTS COMPANY - NEW YORK OFFICE Joymal Eptry No. "3^r * - " '' ........

Pittsburgh, National Lead ic Oil Co. of Pa.,- 316 Fourth Avenue-. }*hiIidelphia;_john Ti Lewis `S Bros.

with you and get some information along the lines of the work you are conducting in regard to lead poisoning.

As to the concentrations of lead used, I am quite sure that you have all the Information I will heed along this line.

Hill, sales man for National Lead Co. of Massachusetts, have been employed 45 years by National Lead, Mr.

I tried the plan on ten NATIONAL LEAD CO.

absorption sad storage m s somewhat increased, but the 'offset m s slight in comparison with that shorn by workers in other industries when there was a severe lead hazard (Group JS) and for the periods of exposure studied was not sufficient to produce detectable sysptoss of lead poison ing

There is no oc casion for any anxiety as to Dr* D y e r 's condition, but it is decidedly to our mutual advantage to know at this time just what quantity of lead is beinA excreted.