10 February, 2007 (7)
10 February, 2007
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Text and images Copyright (c) 2010 by Theodore W. Gray.
Rosy quartz.
Source: Unknown
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
10 February, 2007
Price: Unknown
Size: 1"
Composition:
Si
O
2
Sputtering target.
Source:
eBay seller anish62
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
10 February, 2007
Price: $25
Size: 4"
Purity: 99.995%
Gallium Germanium Alloy.
Source:
SoCal (Nevada), Inc
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
10 February, 2007
Price: $15
Size: 1"
Composition:
Ga
Ge
Gallium Germanium Alloy.
Source:
SoCal (Nevada), Inc
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
10 February, 2007
Price: $15
Size: 0.75"
Composition:
Ga
Ge
Huge light bulb.
Source:
Nick Brandenburg
Contributor:
Nick Brandenburg
Acquired:
10 February, 2007
Text Updated:
29 January, 2009
Price: Donated
Size: 8"
Purity: 99%
Tungsten-weighted dart.
Source:
Walmart
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
10 February, 2007
Price: $15
Size: 5"
Purity: 90%
1903 Crookes Spinthariscope.
Source:
eBay seller salvart
Contributor:
Theodore Gray
Acquired:
10 February, 2007
Text Updated:
11 August, 2007
Price: $412
Size: 1.25"
Purity: <0.1%
Sample Group:
Spinthariscopes
