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ESTABLISHED 1824
THE E.INGRAHAM COMPANY
MANUFACTURERS OF
CLOCKS AND WATCHES
BRISTOL, CONN.
U.S.A.
December 6th, 1928.
Dr. Henry F. Stoll,
179 Allyn Street,
Hartford, Conn.
Dear Dr. Stoll:-
The writer had a talk yesterday with Messrs. Lee and Barber of
the United States Radium Corp. who have had a great deal of experience
with radium poisoning.
I read them the statement from your letter that "it is the radium
laden air that is inhaled rather than the small amount on the brush that
causes the trouble". They feel certain that this does not maintain
where the application is done by brush. They state that radium is free
emanating and produces a gas known as radon, but that when radium is
combined with a gas absorbing material, such as zinc sulphite which is
used in the production of radium luminous paint, the percentage of gas
thrown off is so infinitestimal that it is impossible to become affected
by it. They do state that if dials were dusted it would be possible for
the air to become dust laden, in which case the material could be taken in
through the air.
They also advise that there has never yet been a case of illness
from radium poisoning where the presence of radium could not be proven by
the electroscope test and that all serious cases had revealed at least 60
to 100 micrograms. Furthermore the electroscope will detect as small as two
micrograms and no positive action at all has been found in the electroscope
test on the girls employed by us, or on Miss Dube in particular. As a matter
WE SELL THE WHOLESALE TRADE ONLY
ESTABLISHED 1824
THE E.INGRAHAM COMPANY
MANUFACTURERS OF
CLOCKS AND WATCHES
BRISTOL, CONN.
U.S.A.
Dr. Henry F. Stoll
2.
of interest, they have known as high as 3,000 micrograms being injected
into the human system for experimental purposes and 200 micrograms is
frequently used at the Mayo clinic. We intend to follow up Miss Dube's
case further on this particular item by having an exposed air test and
a gamma ray test made so as to check the possibility of poisoning through
the air.
We thought all the above would interest you even though it is
perhaps apart from the case you have been handling for us.
We wrote you November 30th asking if you could favor us with a
report on Miss Dube for our own records and also to enable us to forward a
copy to Dr. Frederick B. Flinn, who as we explained was the party who
requested that we put her under expert medical care. We would be pleased
if report could be forwarded shortly.
With best regards, we are
Very truly yours,
THE E. INGRAHAM COMPANY
DSI:B
By
WE SELL THE WHOLESALE TRADE ONLY
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"ocrText": "ESTABLISHED 1824\nTHE E.INGRAHAM COMPANY\nMANUFACTURERS OF\nCLOCKS AND WATCHES\nBRISTOL, CONN.\nU.S.A.\nDecember 6th, 1928.\nDr. Henry F. Stoll,\n179 Allyn Street,\nHartford, Conn.\nDear Dr. Stoll:-\nThe writer had a talk yesterday with Messrs. Lee and Barber of\nthe United States Radium Corp. who have had a great deal of experience\nwith radium poisoning.\nI read them the statement from your letter that \"it is the radium\nladen air that is inhaled rather than the small amount on the brush that\ncauses the trouble\". They feel certain that this does not maintain\nwhere the application is done by brush. They state that radium is free\nemanating and produces a gas known as radon, but that when radium is\ncombined with a gas absorbing material, such as zinc sulphite which is\nused in the production of radium luminous paint, the percentage of gas\nthrown off is so infinitestimal that it is impossible to become affected\nby it. They do state that if dials were dusted it would be possible for\nthe air to become dust laden, in which case the material could be taken in\nthrough the air.\nThey also advise that there has never yet been a case of illness\nfrom radium poisoning where the presence of radium could not be proven by\nthe electroscope test and that all serious cases had revealed at least 60\nto 100 micrograms. Furthermore the electroscope will detect as small as two\nmicrograms and no positive action at all has been found in the electroscope\ntest on the girls employed by us, or on Miss Dube in particular. As a matter\nWE SELL THE WHOLESALE TRADE ONLY\nESTABLISHED 1824\nTHE E.INGRAHAM COMPANY\nMANUFACTURERS OF\nCLOCKS AND WATCHES\nBRISTOL, CONN.\nU.S.A.\nDr. Henry F. Stoll\n2.\nof interest, they have known as high as 3,000 micrograms being injected\ninto the human system for experimental purposes and 200 micrograms is\nfrequently used at the Mayo clinic. We intend to follow up Miss Dube's\ncase further on this particular item by having an exposed air test and\na gamma ray test made so as to check the possibility of poisoning through\nthe air.\nWe thought all the above would interest you even though it is\nperhaps apart from the case you have been handling for us.\nWe wrote you November 30th asking if you could favor us with a\nreport on Miss Dube for our own records and also to enable us to forward a\ncopy to Dr. Frederick B. Flinn, who as we explained was the party who\nrequested that we put her under expert medical care. We would be pleased\nif report could be forwarded shortly.\nWith best regards, we are\nVery truly yours,\nTHE E. INGRAHAM COMPANY\nDSI:B\nBy\nWE SELL THE WHOLESALE TRADE ONLY"
}