25 October, 2005 (2)

25 October, 2005

Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.

Text and images Copyright (c) 2010 by Theodore W. Gray.
Magnesium
Magnesium Antique powder flash
3D3D
Antique powder flash.
Source: eBay seller oakwilde
Contributor: Theodore Gray
Acquired: 25 October, 2005
Text Updated: 29 January, 2009
Price: $38
Size: 1.25"
Purity: 95%
Radium
Radium Radium scintillation slide
3D3D
Radium scintillation slide.
Source: eBay seller tamagno
Contributor: Theodore Gray
Acquired: 25 October, 2005
Text Updated: 9 May, 2007
Price: $60
Size: 3"
Purity: <0.1%
Sample Group: Spinthariscopes