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' '. ' i t / .- ::' ''!
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THE ASSOCIATED ETHYL COMPANY LIMITED A R T IL L E R Y H O U SE , A R T IL L E R Y ROW , L O Y D O Y , S.W. 1 J e ltp h o n t: ABBEY 3 9 7 4 J c /fjra m i: ETHYLPORT, SOW EST, LONDON Personal .
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...s 'J... / U-f v VS' * tv.j v-' | , LEAD INDUSTRIES ASSOCIATION 4 2 0 LEXINGTON AVENUE N EW YORK 17, N .
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4 Marshall, S.P., Hayward, F.W. and Meagher, W.R.
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7-19-77 The Physiological Tolerance of Apparently Healthy Human Individuals for the Daily Absorption of Inorganic Lead Salts Over Extended Periods of Time Introduction ( It has been known for centuries that the absorption of inorganic compounds of lead, in sufficient quantities, under appropriate circumstances, and over considerable periods of time, are capable of inducing poisonous effects upon man.
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March 31, 1930 Mr.
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INTERrOFFICE CORRESPONDENCE Copy: Dr* Graham-EdgarDr.
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'1 \ :-i : ' ' . !
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August 3, 1944 Mr. i l.
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August 23, 19^6 ) Mr.
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August 10,1927 Mr, 1.
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,ULJUS W.
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August 26, 19^4.
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Sep tem b er 23, 1954 M r.
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