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David Boyett | all galleries >> Civil Defense Radiation Detection Equipment FCDA OCD FEMA GM CD V-700 Geiger Counter, Survey Meter, Dosimeter & Kits >> Brass Probe 6306 GM Tube - ENI CD V-700 Geiger Counter > Victoreen Model 1B85 Thyrode GM Tube
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30-NOV-2006

Victoreen Model 1B85 Thyrode GM Tube

Victoreen Model 1B85 Thyrode Thin Wall GM (1950s)
Description: http://www.orau.org/ptp/collection/GMs/victoreen1b85thyrode.htm

Canon PowerShot S500
1/60s f/7.1 at 7.4mm full exif

other sizes: small medium original auto
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