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15 results for “Reaction Department”

  1. 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…

  2. Magazine · The Asbestos Worker · 1930

    The Asbestos Worker, 1930

    …Workers' Share Is Not Limited Mar. 1930 March 1930 (Vol. 9, No. 3) The Editor's Page: Reaction and Revolution Are Loyal Pals Mar. 1930 March 1930 (Vol. 9, No. 3) There Is Work To Be…

  3. Magazine · Asbestos Magazine · 1931

    Asbestos Magazine, 1931

    …Nonmetallic Minerals and Their Products," is the the title of a book recently published by the Bureau of Standards, U.S. Department of Commerce. Eight pages in this book are devoted to Asbestos Products, covering Paper…

  4. Patent · February 6, 1934

    Method of Producing Reactions with Silica and Products Thereof (US Patent 1,945,534, 1934)

    Where it was listed Asbestos, May 1934, in its patents department (the year's issues)

  5. Medical study · Medical research · 1933

    The Morbid Anatomy And Histology Of Asbestosis

    …completely, so pleural effusion was rare. Under the microscope the author listed five kinds of particles and a threefold tissue reaction: fibres coated to form asbestosis bodies, collections of dust cells and asbestosis giant cells, and…

  6. Company document · JM Knowledge Chronology · May 10, 1937

    A. J. Lanza to McConnell, Brown and Gardner on X-Rays of J-M's Lompoc Diatomaceous Earth Workers (1937)

    …M employees were examined and a few were noted to have "an unusual type of shadow". Opinion expressed that a typical reaction of long-term employees suggests this dust (diatomaceous earth) might be potentially harmful. Dr…

  7. Medical study · Medical research · 1933

    The Effects Of Inhaled Mineral Dusts

    …produce another specific type of reaction, with symptoms differing in some respects from those of silicosis. Asbestos dust was described as lodging along the walls of the finer air tubes. A reaction probably started by the…

  8. Company document · Sumner Simpson Papers · December 12, 1936

    C. J. Stover to Sumner Simpson Thanking Him for His December 10 Letter (1936)

    …Manheim "to bring myself up to date with ideas as to what a textile plant really ought to look like," asked for Simpson's reaction to his recent mailing about the Air Hygiene Foundation of America…

  9. Company document · Sumner Simpson Papers · December 18, 1936

    George S. Fabel of Southern Asbestos to Sumner Simpson Sending Dr. Shull's Asbestosis Article (1936)

    …E. Schluter's request "that you can get Dr. Gardner's reaction for the benefit of our industry." Shull, he wrote, "is usually found supporting the employees," and "Many of the employees referred to in the…

  10. Company document · JM Knowledge Chronology · December 14, 1939

    Leroy Gardner, Interim Report on Experimental Asbestosis at the Saranac Laboratory (1939)

    …The experiments had set out to reproduce advanced asbestosis in animals, but guinea pigs breathing very finely ground Canadian chrysotile for 30 months showed little reaction, while a second group breathing longer fibres began to develop…

  11. Company document · Sumner Simpson Papers · April 18, 1938

    Leroy U. Gardner, Second Progress Report on Experimental Asbestosis (1938)

    …rabbits, white rats and a cat showed no fibrosis and only "the very earliest stages of asbestosis"; much less reaction than an earlier experiment with coarser dust at a tenth or less of the concentration. Dr…

  12. Company document · Union Carbide documents · October 1932

    National Safety Council, 1932 Transactions of the Twenty-First Annual Safety Congress, Excerpts with Papers on Mineral Dusts, Asbestos and Silicosis (1932)

    …Effects of Inhaled Mineral Dusts' Gardner, continued, on silicosis, asbestos dust and lung reaction; end of the paper and start of Bloomfield, 'The Dust Content of the Atmosphere in Various Dusty Industries' Bloomfield, continued: dust classes…

  13. 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…

  14. 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…

  15. Government report · JM Knowledge Chronology · March 24, 1930

    E. R. A. Merewether and C. W. Price, Report on Effects of Asbestos Dust on the Lungs (1930)

    …s description says the report was dismissed by American industry because it rested on amosite rather than chrysotile exposure. The report says nothing about any American reaction, and it found no difference in effect among chrysotile…