3 results for “Reaction Department”
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Company document · Motley 1000 · February 27, 1937
Vandiver Brown to Sumner Simpson on Dr. Gardner's Asbestos Dust Experiments (1937–1940)
…reaction, while longer fibers caused significant changes in guinea pig lungs, and Gardner concluded that the irritation from asbestos was "not chemical but mechanical in nature." In Johns-Manville's index Johns-Manville's legal department…
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Company document · Sumner Simpson Papers · September 23, 1937
Vandiver Brown to Sumner Simpson Enclosing Dr. Gardner's Report on Five Months of Asbestos Experiments (1937)
…He said the absence of fibrosis was expected this early, since in his earlier experiment the reaction had appeared only after eighteen months, and that "It is too soon to speculate as to the significance of…
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Company document · JM Knowledge Chronology · February 14, 1935
Vandiver Brown's Memorandum on the Illinois Dust Situation: Legislative and Legal Aspects (1935)
…etc. This meant that the definition included pneumoconiosis, since the current thinking is that this injury is caused by a chemical or toxic reaction rather than a physical one. As a consequence of this ruling, insurance…