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{
    "localId": "75720080",
    "label": "Letters Sent to Dr. J.C. Bridge [John C. Bridge], September 2, 1925",
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    "id": "75720080",
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    "contentType": "document",
    "title": "Letters Sent to Dr. J.C. Bridge [John C. Bridge], September 2, 1925",
    "citationUrl": "https://catalog.archives.gov/id/75720080",
    "collections": [
        "Safety Light Collection",
        "Records Related to Radium Dial Painters"
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    "seq": 1,
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    "ocrText": "COPY\nPrivate\ncopy sent\nSeptember 2nd,1925.\nDr. J. c. Bridge,\nH.M. Medical Inspectory of Tactories,\nHome Office,\nS.F.l.\nDoar Sir:\nReforring to your recent call and inspection of our girls who are\nemployed at luminising the figures and hands of watch and clode dials.\nNe have been doing this worlt for nearly 12 years.\nDuring the Wer we luminised considerable quantities of various scientific\ninstruments for the Government, such as those uned on Aeroplanes, Subnarines, etc.,\nemploying a staff for several yours of betweon 40 and 50 operators.\nYou wished to Jnow the percentage of Radium Salts used in our Naterial.\nOur Radiun Lominous Interial is made in ton different gendos.\nOn our am Watches and Clocita wo employ only four grados according to the\nsizo of the hands or figures of the watch or clook being luminised. The highest\ngrade we are now using on watches contains 132 nicrogrames of Radium Bromide content\nto the Granmo of material, and the lowest grado we are now using on clock dials\ncontains 32 microgranmes of radium bromide content.\nDuring the war, the marial generally used on orders from the war office\n(usually termed office grade\" or .2) contained 200 microgrannes of radium\nBromide content, and for ordors from the Admiralty we employed \"Admiralty Grade\" or\n.4 containing 400 mierograzces.\nYou understand, doubtless, that both the material and the finished work\nfor the Government had to pass teste at the National Physical Laboratory.\nOwing to a scare in the U.S.A. which has recently boon exploited by the\nyollow press, (probably because of a temporary shortage of sonsational norra) there has\nbeen some recent activity in the matter of inspection of the Tactories producing Radium\nLuminous Naterial and organisations applying this natorial for comerci-] purposes.\nWe have just been infoned that on with his Assistant\nDr.Pedley.accompanied by a nurse, (all from the Columbia University,Net Tork City)visited\nour\nFactory at Taterbury Connecticut, and examined all employees the have been applying\nRadium Matorial to our Natch or Clock dials thoro.\nThere were 26 of thene employees. An examination(which was very thorough) was\nmade of blood,heart,teeth,mouth,throat,ote.and in all cases negative results were\nfound, that is, thore is not the slightest indication of any injury to hoolth or body\narising out of their vocation. Many of those employoes have been constantly employed"
}