...n:center; font-style:italic; border-bottom:1px solid #dee2e6;" | Manhattan Project & Cold War Plutonium Production (1943–1987)
...posure]] sites in American history. Built in 1943 as part of the Manhattan Project to produce plutonium for nuclear weapons, the 580-square-mile complex emplo
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31 KB (3,928 words) - 01:00, 11 March 2026
...ancer.''' On March 7, 1957, representatives from Johns Manville, Raybestos Manhattan, Keasbey and Mattison, American Asbestos Textile Corporation, Asten Hill Ma
...arbide drilled a three-mile tunnel through silica rock for a hydroelectric project. An estimated 764 workers died of acute silicosis, many within months or we
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40 KB (5,657 words) - 10:06, 5 April 2026
...ompasses revolutionary achievements in naval engineering, secret Manhattan Project contributions, and the construction of legendary Iowa-class battleships inc
=== What Was the Manhattan Project Connection? ===
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39 KB (4,997 words) - 23:31, 10 March 2026
|description=Complete corporate history of Raybestos-Manhattan and Raymark Industries including founding, merger timeline, Simpson family
|keywords=Raybestos company history, Raybestos-Manhattan, Raymark Industries, brake linings, asbestos manufacturer, Simpson Papers,
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43 KB (5,458 words) - 03:42, 9 March 2026
...ar" /> Between '''1919 and 1989''', Raymark Industries (formerly Raybestos-Manhattan) operated a '''34-acre manufacturing facility''' in Stratford, Connecticut,
...border-bottom:1px solid #1a5276;" | Raymark Industries (formerly Raybestos-Manhattan) operated from 1919 to 1989 producing asbestos brake linings<ref name="mlc"
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46 KB (5,997 words) - 15:27, 10 March 2026
...l. Contact a certified asbestos abatement contractor before any renovation project involving older insulation.
* '''[[Raybestos]]-Manhattan''' - Brake linings with up to 70% asbestos content, produced from the 1920s
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41 KB (4,840 words) - 20:56, 20 February 2026
...tos paper and millboard || 80-100% chrysotile || Johns-Manville, Raybestos-Manhattan || Duct connector gaskets, heat shields || 1940s-1970s
* '''Project records:''' Drawings, specifications, and contractor lists
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41 KB (5,082 words) - 01:26, 9 March 2026
...New York City steam pipe explosion at Lexington Avenue and 41st Street in Manhattan sent a 40-story geyser of hot steam and mud into the air. Pipes of that era
...mately 1 million tons of pulverized particulate matter throughout southern Manhattan and parts of Brooklyn. WTC dust consisted predominantly (95%) of coarse par
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54 KB (6,938 words) - 09:55, 6 April 2026
* Development: U.S. Navy Bureau of Ordnance; classified military project
...977. Six thousand pages. October 1935. Simpson, president of [[Raybestos]]-Manhattan, writing to Vandiver Brown, attorney for [[Johns-Manville]]. I think the le
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70 KB (9,377 words) - 20:57, 20 February 2026
| '''Raybestos-Manhattan''' || Vehicle brake linings, clutch facings || Raymark Trust || Active
...s containing asbestos that were incorporated into Army vehicles. Raybestos-Manhattan produced asbestos brake linings and friction materials used in military veh
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74 KB (9,509 words) - 17:18, 16 March 2026
...lations used asbestos-containing materials as standard practice. Manhattan Project facilities at Oak Ridge, Tennessee, Hanford, Washington, and Los Alamos, Ne
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57 KB (7,377 words) - 23:20, 8 March 2026
