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N.C.R.90
RECEIVED
MAR 17 1926
In reply, address not the signer of
NAVY DEPARTMENT
this letter but Bureau of Construc-
tion and Repair, Navy Department,
IO
Washington, D.C.
BUREAU OF CONSTRUCTION AND REPAIR
Refer to No.
1808-A686 (S) 4/1
WASHINGTON, D.C.
IN
Using
161926
Subject: Precautionary Measures Necessary in Connection
with the Use of Radium Luminous Material.
Gentlemen:
A newspaper account which has recently been
brought to the Bureau's attention describes certain
cases of infection attributed to carelessness in con-
nection with the use of radium luminous material for
painting dials of watches. This account states that
the infection was caused by persons employed in paint-
ing watch dials placing the brushes containing radium
luminous material in their mouths.
The Bureau purchases considerable quantities
of similar material, which is used at various Navy Yards
for coating dials of clocks and various navigational
instruments. As it is desired to avoid serious infections
and fatalities such as described in the account referred
to, the Bureau would appreciate information as to your
experience in this connection and as to any precautionary
measures which you have found necessary to avoid such
infection.
Respectfully
Geot Roca Corps, U.S.M.
G. H. ROCK
U. S. Radium Corporation,
Asst. Chief of Bureau,
30 Church Street,
New York, N.Y.
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"ocrText": "N.C.R.90\nRECEIVED\nMAR 17 1926\nIn reply, address not the signer of\nNAVY DEPARTMENT\nthis letter but Bureau of Construc-\ntion and Repair, Navy Department,\nIO\nWashington, D.C.\nBUREAU OF CONSTRUCTION AND REPAIR\nRefer to No.\n1808-A686 (S) 4/1\nWASHINGTON, D.C.\nIN\nUsing\n161926\nSubject: Precautionary Measures Necessary in Connection\nwith the Use of Radium Luminous Material.\nGentlemen:\nA newspaper account which has recently been\nbrought to the Bureau's attention describes certain\ncases of infection attributed to carelessness in con-\nnection with the use of radium luminous material for\npainting dials of watches. This account states that\nthe infection was caused by persons employed in paint-\ning watch dials placing the brushes containing radium\nluminous material in their mouths.\nThe Bureau purchases considerable quantities\nof similar material, which is used at various Navy Yards\nfor coating dials of clocks and various navigational\ninstruments. As it is desired to avoid serious infections\nand fatalities such as described in the account referred\nto, the Bureau would appreciate information as to your\nexperience in this connection and as to any precautionary\nmeasures which you have found necessary to avoid such\ninfection.\nRespectfully\nGeot Roca Corps, U.S.M.\nG. H. ROCK\nU. S. Radium Corporation,\nAsst. Chief of Bureau,\n30 Church Street,\nNew York, N.Y."
}