1 December, 2008 (10)
1 December, 2008
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Text and images Copyright (c) 2010 by Theodore W. Gray.
Graphite mold for making tungsten carbide.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
29 January, 2009
Price: $0.50
Size: 1"
Purity: >98%
Synthetic ruby boule.
Source:
eBay seller phumin2007
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $10
Size: 2.5"
Composition:
Al
2
O
3
Titanium nitride razor blade.
Source:
Walmart
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
17 March, 2009
Price: $30
Size: 2"
Purity: <1%
Tincture of iodine,.
Source:
eBay seller yougotitwebuyit
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $10
Size: 5"
Purity: 1%
Sample Group:
Medical
Unusual tungsten carbide drill bit.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $20
Size: 0.5"
Purity: >60%
Commercial tungsten carbide lathe bit.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $10
Size: 0.25"
Purity: >60%
Home made tungsten carbide lathe bit.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $1
Size: 0.5"
Purity: >60%
Raw tungsten carbide pellet.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $1
Size: 0.5"
Purity: >60%
1000W Metal halide bulb.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
18 January, 2009
Price: $90
Size: 12"
Purity: <1%
Sample Group:
Light Bulbs
Old mercury batteries.
Source:
Alec Wright
Contributor:
Theodore Gray
Acquired:
1 December, 2008
Text Updated:
2 December, 2008
Price: $3
Size: 2"
Purity: <20%
