March 26, 1928 Mr.

Int er -Office Cor r espondence Et hyl Gasol ine Corporat ion 25 BROADWAY N e w Y o r k March. 8, 1929 Br.

A STUDY OF THE POSSI BLE PUBLI C HEALTH HAZARDS ARI SI NG FROMTHE USE OF TETRAETHYL LEAD I N THE AUTOMOBI LE by FRED.

March *i:k>*-,1927.

J March 11, 1929 Mr.

| i i .i . i h V' l ' iinm iw m ) ['av--, ^ T W , IT '*.y .W|TH W'W| l | l >l l, <T'fff",ww | "H ^ n iw<ii>i'.w TWW I ............................

REPRODUCED AT THE NATIONAL ARCHIVES SCIENTIFIC AM E RICAN THE JOURNAL OF PRACTICAL IN FO R M A TIO N S cientific American (ESTABLISHED 1845) P u b l is h in g C o m p a n y M u n n & Co.

CHICAGO TOTE LEAD FACTORY RECONCILIATION WITH GENERAL-LEDGER, AS AT JUNE 30-1924 Gen Bk.

c"1 i .

June 8, 1925* Dr.

' .

June .`6. 1920 ion is going to be exceedingly serious later oi l: " f hat .lust at the present time they are In if - to accept contracts than they will be later on it He firmly believes that if you place your . ot,w xor deliveries during the balance of the year, 1 l-'t: relieved of an embarassing situation later on-- ' 'j fiords, unless covered by contract, they may be . to apply us.

10 California Historical Society for reference use only Messrs.* p.

California Historical Society for reference use only KNCLCSlffil-SS '-i * - t/ U <11 KSF YORK, JANUARY 2 otto, 1921 Mt-mo ra niiwi Be a to n, Ra s followsi* ; f f g j:d "Uni f ^ifperi or; eo AT.arii3a.xi $.

JLEJQ 'QMES.HERALP-^FRIDAY, MAY 6, 1927.