Show sample as: 72-frame QuickTime VR or 360-frame QuickTime movie loop.
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This is a radiation monitoring device just like the "geigerscope" described in the previous sample.
Spinthariscopes are explained in more detail here.
Source: eBay seller geoelectronics
Contributor: Theodore Gray
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $20
Size: 1.5"
Purity: 0%
Sample Group: Spinthariscopes