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DRS. STEVENS, JARRE AND HASLEY
1429 DAVID WHITNEY BUILDING
DETROIT
ROLLIN H. STEVENS, M.D.
RANDOLPH 4493
HANS A. JARRE, M.D.
CLYDE K. HASLEY, M.D.
EMIL M. SHEBESTA, M.D.
October 11th-1939
U. S. Radium Corporation
535 Pearl Street
New York, N. Y.
Attention Mr. Lee
entlemen:
I met one of your representatives from Los Angeles (1 have mislaid
his name) at our Detroit Rotary Club last week and learning his
classification in the California Club 1 inquired about the cost of
changing over some of my radium to larger denominations. He referred
me to your Mr. C. B. Lee.
What I have in mind is this: 1 have in the neighborhood of 48 mgs.
in 2 mg. cells. These cells are of platinum iridium, have a wall
thickness of .35 mm, a length of 13.1 mm and a dimeter of 1.29 mm.
The radium contents vary of course with each fell from 1.5 to 1.9 mgs.
1 want all this changed over into four 10 mg. cells of platinum iridium
which has a wall thickness of 1/2 mm. The length and diameter would
have to be figured out accordingly. These tubes I want packed full
so that the radium content will not slide around in different parts of
the tube. I desire to use this radium particularly according to the
method of Strandquist (Acta Radiologica P. l. Vol XX, Fasc. 1 #113
2/28/1939 and Vol XX, Fase 2, # 114, 4/29/1939 P. 186) of Stockholm
Radiumhemet, his plan being based upon the work of Sievert of the same
institution. The method of using this is described in two recent
numbers of Acta Rdaiologica above referred to. I am planning to have
made the glass carriers such as he used which are 4-1/2 nms. in hickness
in all directions, the sides being round and a hole being made in the
center just sufficiently large to carry the 10 mg. needles. These glass
units can then be placed in one or two rows. The distanceof radium to
the skin cannot vary. Thus, the dose can be figured out accurately in
r units with the help of a series of tables which we would have printed.
This makes for much more accurate dosage than anything we have had yet.
I also have 21 mgs. in 3 mg. needles which have a wall thickness of
about 0.15 mm and are platinum iridium. These would be added to the
rest of the radium which would give me two additional needles as 1 have
described and a few mgs. left over to which I might add enough radium
to make another 10 mg. needle.
1 also have some 10 mg. needles in monel metal which I presume 1 would
better change over to the platinum inasmuch as I could standardize my
doses better with the 1/2 mm of platinum wall. I also have several 5 mg
needles in platinum and in monel metal which I might consider changing
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"ocrText": "DRS. STEVENS, JARRE AND HASLEY\n1429 DAVID WHITNEY BUILDING\nDETROIT\nROLLIN H. STEVENS, M.D.\nRANDOLPH 4493\nHANS A. JARRE, M.D.\nCLYDE K. HASLEY, M.D.\nEMIL M. SHEBESTA, M.D.\nOctober 11th-1939\nU. S. Radium Corporation\n535 Pearl Street\nNew York, N. Y.\nAttention Mr. Lee\nentlemen:\nI met one of your representatives from Los Angeles (1 have mislaid\nhis name) at our Detroit Rotary Club last week and learning his\nclassification in the California Club 1 inquired about the cost of\nchanging over some of my radium to larger denominations. He referred\nme to your Mr. C. B. Lee.\nWhat I have in mind is this: 1 have in the neighborhood of 48 mgs.\nin 2 mg. cells. These cells are of platinum iridium, have a wall\nthickness of .35 mm, a length of 13.1 mm and a dimeter of 1.29 mm.\nThe radium contents vary of course with each fell from 1.5 to 1.9 mgs.\n1 want all this changed over into four 10 mg. cells of platinum iridium\nwhich has a wall thickness of 1/2 mm. The length and diameter would\nhave to be figured out accordingly. These tubes I want packed full\nso that the radium content will not slide around in different parts of\nthe tube. I desire to use this radium particularly according to the\nmethod of Strandquist (Acta Radiologica P. l. Vol XX, Fasc. 1 #113\n2/28/1939 and Vol XX, Fase 2, # 114, 4/29/1939 P. 186) of Stockholm\nRadiumhemet, his plan being based upon the work of Sievert of the same\ninstitution. The method of using this is described in two recent\nnumbers of Acta Rdaiologica above referred to. I am planning to have\nmade the glass carriers such as he used which are 4-1/2 nms. in hickness\nin all directions, the sides being round and a hole being made in the\ncenter just sufficiently large to carry the 10 mg. needles. These glass\nunits can then be placed in one or two rows. The distanceof radium to\nthe skin cannot vary. Thus, the dose can be figured out accurately in\nr units with the help of a series of tables which we would have printed.\nThis makes for much more accurate dosage than anything we have had yet.\nI also have 21 mgs. in 3 mg. needles which have a wall thickness of\nabout 0.15 mm and are platinum iridium. These would be added to the\nrest of the radium which would give me two additional needles as 1 have\ndescribed and a few mgs. left over to which I might add enough radium\nto make another 10 mg. needle.\n1 also have some 10 mg. needles in monel metal which I presume 1 would\nbetter change over to the platinum inasmuch as I could standardize my\ndoses better with the 1/2 mm of platinum wall. I also have several 5 mg\nneedles in platinum and in monel metal which I might consider changing"
}