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October 30, 1929 Mr* Howard Miller, Piqua, Ohio* > : My dear Mr* Miller: It has been brought to ray attention by Mr.

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March 16, 1923 Dr.

Hovember 24,1926* Dr. "* E* Deuel, The E* 1* DuPont de emours Co*, Dye Works Hospital, Pennegrove, Hew Jersey* .ly dear Doctor De\iel: Your letter of November 22d concerning the excretion of lead by tlie skin is received* The figures which are quotes in Vr* k.

Thmas and Hochwal t Laboratories CHEMICAL RESEARCH iar nor t h Ludl ow DAYTON, OHIO February 14, 1928* Doctor Robert A.

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ICWTtS Of TB* ACTUAL PIRBCTORS' Vgrrem Cr t h k o l ippeit co'ffAtfY.

r e p r o d u c e d at t h e national a r c h iv e s * : 'r W i- . r W W t :v SHF \v M - 7- __ _ % '4 ^ % ''ftm w 'M , WHEN YOU HAVE FINISHED READING THIS POST IT ON YOUR BULLETIN BOARD In d u s t r ia l H y g ie n e B u l l e t in PUBLISHED BY THE NEW YORK STATE DEPARTMENT OF LABOR 124-E.-28th ST., NEW YORK CITY BERNARD L.

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Div is io n o p Bio l o g ic La b o r a t o r ie s BENJAMIN WHITE, PH.O,, DIRECTOR ELLIOTT S.

JOSEPH C.

449 California Historical Society for reference use only Feb, 25, 1920 T2 (v:e r, r-rf /.

2-v} i Uis going io look Wonderful, I know f s THE FLOOR SCRATCHED, an: the mir- I treull *um?