[ RadSafe ] Ra-226 Activity in Vintage Compass

James Darrough darrougj at onid.oregonstate.edu
Fri Jul 18 13:51:54 CDT 2014

Do you have access to a Gamma Ray Spectrometer setup? That would provide a
very good activity result. 

Regards, Jim Darrough

James E. Darrough
Health Physicist
Oregon State University Radiation Center

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Roy Parker
Sent: Friday, July 18, 2014 10:20 AM
To: Radsafe
Subject: [ RadSafe ] Ra-226 Activity in Vintage Compass

I am trying to move a shipment containing a World War I vintage compass: 
U.S.E.D. Creagh - Osborne Marching Compass Mark VII Model E Sperry Gyroscope
Brooklyn, N.Y.

It is radioactive, therefore obviously Ra-226.  I am trying to find the


Roy A. Parker, Ph.D.
Radiation Physics Consultant
225-924-1473 Office
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