Johns-Manville Advertisement, 1971

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THE HISTORY OF THE ASBESTOS TEXTILE INDUSTRY IN THE UNITED STATES
Chepler V: Keasbey & MaNison Company
fly: John w. BeNet, Jr .
As edited by the Staff oi ASBESTOS
Recording the outline lu,tun~ of Kcasbc .v S Matli;on Cump:my is like wrrting the obituary of an old and rcseccied friend . heasbec .\ \Innison was sold . piece-meal, by 1urner .CR Xmwall Lid. in 1962 . Nevertheless . a history of tbe asbestos te~eile industry in the Lotted States would not be complete . without the kSA1 story . Kcasbey K \latuson held second place in a higlil~~-competitive industry for a period of perhaps forty Fears. .It all began in 1S73 when Henry G. }ieasbec and Rich. ard V. \latusun, upon graduation from the Philadelphia College of Pharmacy . formed a partnership fur the manu(acture of pharmaceutical preparations and opened a modest laboratory at 332 North Front Street in Philadelphia, Pcnn.rlrania . One of their most important products was carbonate of magnesia made from imposed kiesente . A few years later du partners discovered then could extract a superior quality of basic magnesium carbonate from high -grade dolomite that was available in large quantities at Ambler . Pennsylvania. In ISS2, Messrs . Keasbev and \Tatuson built their fiat plant at Ambler . It should he remembered that during this period the use of steam poorer was deceloping at a prodigious rate, cresting a need for efficient thermal insulauons . ]it ISS2 Niram Hanmore . of Philadelphia, an independent insulation contractor be trade. eras impressed by the extremely light weight of Magnesium carbonate which he saw being sold in a drug store. He purchased some of the material . applied it like plaster to a steam boiler and found it to be an excellent heat insulation . far superior to the plaster of Paris then in general lice for this purpose. Hanmore obtained a patent on the use of magnesium carbonate as a thermal insulation and applied
Page 2 ASBESTOS - February 1971
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There are a lot of consented cows and dairymen today because J-M Flexboar0t asbestos-cement steels are lining more and more dairy barns and milk houses . These flexible boards ere reinforced with asbestos fibers (o increase strength and lire protection . Asbestos also helps make building products immune to rot, rust anti decay . So upkeep is low. Back in the city, you 11 find asbestos hard al work' in durable, easy-to-erect FlezboarG walls and ceilings in many modern apartment buildings . For information on how asbestos can help You . contact local J-M representative or the Canadian Johns-Manville ~ Ri ou l .'Ltd. . Bdx 1500, Asbestos. P .O . Or Johns-Manville Asbestos Fiber Sales, Manville, N .J . 08835 U .S .A. JU 1
the farm..
Johns-Manville
ASBESTOS - February 1971
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