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PURDUE University lafayette, INDIANA DEPARTMENT OF CHEMISTRY July 23, 1930 Mr. H. H. Barker United States Radiúm Corporation JUN 261930 535 Pearl St. New York City My dear Barker: I will appreciate it if you will send me about 20 grams of your best phosphorescent zinc sulphide. Please send me the bill for the University, and I will have the voucher made out for the amount. What are your present prospects concerning the trial? I want to get away for ten days or two weeks and my summer is going to be pretty full owing to moving from our old laboratory to our new one. Can you give me some general idea as to when the trial will be held? Sincerely yours, KMM me R. B. Moore Head, Department of Chemistry RBM/IS

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    "ocrText": "PURDUE University\nlafayette, INDIANA\nDEPARTMENT OF CHEMISTRY\nJuly 23, 1930\nMr. H. H. Barker\nUnited States Radiúm Corporation\nJUN 261930\n535 Pearl St.\nNew York City\nMy dear Barker:\nI will appreciate it if you will send me about\n20 grams of your best phosphorescent zinc sulphide.\nPlease send me the bill for the University, and I\nwill have the voucher made out for the amount.\nWhat are your present prospects concerning the\ntrial? I want to get away for ten days or two weeks\nand my summer is going to be pretty full owing to\nmoving from our old laboratory to our new one. Can\nyou give me some general idea as to when the trial\nwill be held?\nSincerely yours,\nKMM me\nR. B. Moore\nHead, Department of Chemistry\nRBM/IS"
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