To whom it may concern: This is to certify that on or about September 17, 1929, 1 examined age an employee of Joseph Porcier, Gravelbourg.

PHYSICAL EXAMINAT!)

A April 30, 1929 Mr.

FORM N O.

STATEMENT Mr.

September SO, 1927 Mr.

November 27, 1929 'Mr.

VISIT OF PROFESSOR KEHOE TO SWEDEN Report by Chief Medical Officer On 11.3,68 at 2.0 p.m.

V JA M ES N.

Q u a n tita tiv e F a c to rs .E th y l Study 1929- !

March 21, 1927.

December 28,1926 Mr J* A* Casloton, Assistant^Manager St Louis Smelting and Refining Works, St Louis, Mo My dear Mr* Casleton: Some time ago I expressed the wish through Mr E* G* Robinson of the E I DuPont de Hemours Company to visit certain lead smelters in your neighborhood.

fOM no to Int er -Office Cor r espondence Et hyl Gaso l ine Corporat ion 25 ]1EOADWAY N e w Y o r k May 26, 1928.

Et hyl Gasol ine Corporat ion 2 5 i m o AlJWAY Nk w Yo i k IN REPLYPLEASE REFERTO "Il .

March 26, 1928 Mr.