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RE: Radium Compasses

Andrew,



The Lensatic compasses made by the Waltham Precision Instrument Co until the

late 1950s contained about 3 microcuries of Ra-226. The current version uses

tritium instead of radium.



bill

ARINC Inc.





		-----Original Message-----

		From:	Andrew Buchan [mailto:Andrew.Buchan@ehs.ucsb.edu]

		Sent:	Friday, October 11, 2002 5:41 PM

		To:	radsafe@list.vanderbilt.edu

		Subject:	Radium Compasses



		Anyone have any idea of the activity of some of the old

radium 

		compasses from the Air Force?

		

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