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OK AND RETURN AT ONCE TO THE JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION 535 N. Dearborn St. CHICAGO, ILL. RADIUM PROOF MAILED 3-28-21 FOR ISSUE OF 5-14-21 To Physicians and Hospitals we offer Important This advertise- Radium element of highest purity ment will be in- serted as it appears salts in form of Bromide or Sulphate. on this proof un- less corrections are Sales are based upon certified meas- 5/1/21 received by urement by the United States Bureau AMA of Standards, Washington, D. C. A-M-A, WELCOME EXHIBIT American mining properties owned WELCOME EXHIBIT TO TO OUR BOSTON, by this Corporation supply our BOSTON JUNE6-10 1921 UNE 1921 Radium-bearing ore and we control every mining, refining and labora- tory operation in the production of our Radium. This gives us complete knowledge of the purity which we guarantee. We manufacture Needles, Applicators, Screens and special equipment for the therapeutic use of Radium. THE RADIO CHEMICAL CORPORATION 58 Pine Street, New York Plant and Laboratories, Orange, N. J. Telephone, John 3141 Mines: Colorado, Utah AMA BestonCour number

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75718510
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    "ocrText": "OK\nAND RETURN AT ONCE TO\nTHE JOURNAL OF THE\nAMERICAN\nMEDICAL\nASSOCIATION\n535 N. Dearborn St.\nCHICAGO, ILL.\nRADIUM\nPROOF MAILED\n3-28-21\nFOR ISSUE OF\n5-14-21\nTo Physicians and Hospitals we offer\nImportant\nThis advertise-\nRadium element of highest purity\nment will be in-\nserted as it appears\nsalts in form of Bromide or Sulphate.\non this proof un-\nless corrections are\nSales are based upon certified meas-\n5/1/21 received by\nurement by the United States Bureau\nAMA\nof Standards, Washington, D. C.\nA-M-A,\nWELCOME\nEXHIBIT\nAmerican mining properties owned\nWELCOME\nEXHIBIT\nTO\nTO\nOUR\nBOSTON,\nby this Corporation supply our\nBOSTON\nJUNE6-10 1921\nUNE 1921\nRadium-bearing ore and we control\nevery mining, refining and labora-\ntory operation in the production of\nour Radium. This gives us complete\nknowledge of the purity which we\nguarantee.\nWe manufacture Needles, Applicators, Screens and special\nequipment for the therapeutic use of Radium.\nTHE RADIO CHEMICAL CORPORATION\n58 Pine Street, New York\nPlant and Laboratories, Orange, N. J.\nTelephone, John 3141\nMines: Colorado, Utah\nAMA BestonCour number"
}