May 6 , 1955 Dr* P h i l i p D rin k e r, The Jo u rn a l o f In d u s tr ia l Hygiene, 55 Van Dyke S t . , B o sto n , Mass* Dear Doctor D rinkers- .

COPY July 23, 1951 Randolph K.

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THEASSOCIATED ETHYL COMPANYLIMITED 20 BERKELEY SQUARE, LONDON.

September 5 * 1951 AIR MAIL M r .

INTER-OFFICE CORRESPONDENCE Et hyl Gasol ine Corporat ion C1h35r Eyasslte4r2B*!

T ELEPH O N ES: MA 6221, MA 6804 T EL EG R A P H I C A D D R ES S : " J OI N T CO A L, " SY D N EY ST 6458 JOI N T COAL BOARD CO R N ER G O U LBU R N & BRI SBA N E ST REET S, SYD N EY PLEA SE A D D RESS A LL CO M M U N I CA T I O N S T O TH E SECRETARY, BOX 3842, SYDNEY IN REPLY, Q U O T E August 29th , 1956, Dr.

January 2, 1958 Dr.

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