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Lvarsity of Cincinnati 17th March, 1958 storing Laboratory US VA Hospital Building 77 Avenue ' Roanoke-, Virginia jisnati, 19, Ohio Attn: Dr* Robert A Kehoe, M.

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ETHYL CORPORATION 901 RI SS BT I l DI SO . 205 MONTGOMERY STREET SAN FRANCISCO 4, CALI KORN lA May 8, 1959 Mr.

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PRICES TJRI VHTTK LEAD AND ViiiTE LEAD S'1 OIL IWlffi - SEPTEMBER 30,1957 EFFECTIVE - OCTOBER 1,1957 INDUSTRIALS DRT WHITS LEAD PACKAGE t r ic e 50-Ib.

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ETHYL CORPORATION lOO PARK AVENUE BUILDING AT 41s t STREET NEW YORK 17, N.

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/Vff Ivf lw * Mqy 26, 1953 Dr* Philip Drinker, The Journal of Industrial Hygiene, 55 Van Dyke St*, Boston, Mass* Dear Doctor Drinkert- I thank you for your letter of May 23rd.