15 April, 2002 (30)
15 April, 2002
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.
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Anthracite coal.
Source:
Coal Dealer
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $0.008/ounce ($250/ton)
Size: 2"
Purity: >85%
Graphite rod from lantern battery.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $5/battery with 4 of them
Size: 3"
Purity: >95%
Pyrolytic graphite.
Source:
Science Toys
Contributor:
Ed Pegg Jr
Acquired:
15 April, 2002
Price: $2
Size: 1"
Purity: >99%
Teflon thread seal tape.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Text Updated:
20 November, 2008
Price: $2
Size: 2"
Purity: 75%
Camp fire starter.
Source:
Walmart
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $4
Size: 3"
Purity: 97.2%
4/0 electrical wires.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Text Updated:
11 August, 2007
Price: $1/foot
Size: 1.25"
Purity: >95%
Water drop blobs.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1/foot
Size: 1.25"
Purity: >95%
Silicon wafer.
Source:
The Tech Museum, San Jose, California
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $20/unbroken wafer
Size: 1.5"
Purity: 99.9999%
Ordinary light bulb.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: Donated
Size: 1.5"
Purity: >90%
Sample Group:
Light Bulbs
Steel wool.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1
Size: 2"
Purity: >95%
Rusty iron plate.
Source:
Marco's Scrap Metal
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Text Updated:
29 January, 2009
Price: $0.10/pound for scrap iron.
Size: 1.5"
Purity: >95%
Precision steel micro-bearings.
Source:
New England Miniature Ball Corp
Contributor:
Ed Pegg Jr
Acquired:
15 April, 2002
Price: $5/1000 (which is not a lot of bearings)
Size: 0.03"
Purity: >95%
3/0 electrical wire.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1.50/foot
Size: 1.25"
Purity: >99%
Pre-1982 Pennies.
Source:
America
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Text Updated:
18 December, 2007
Price: $0.01/penny
Size: 0.5"
Purity: >90%
Sample Group:
Coins
Scrap roof flashing.
Source:
Marco's Scrap Metal
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1/pound for scrap zinc
Size: 1.25"
Purity: >90%
Post-1982 Pennies.
Source:
America
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Text Updated:
18 December, 2007
Price: $0.01/penny
Size: 0.5"
Purity: >90%
Sample Group:
Coins
Art.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1/pound for scrap zinc
Size: 8"
Purity: >90%
More Art.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $1/pound for scrap zinc
Size: 3"
Purity: >90%
CCA treated wood.
Source:
Hardware Store
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: Donated
Size: 3"
Purity: <5%
One ounce silver rounds.
Source:
Coin Shop in California
Contributor:
Theodore Gray
Acquired:
15 April, 2002
Price: $5/ounce
Size: 1.5"
Purity: 99.9%
Sample Group:
Coins
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