17 April, 2009 (32)

17 April, 2009

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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Xenon incandescent headlamp.
Source: eBay seller bulbsgalore100
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $13
Size: 2"
Purity: <5%

Cesium clock F1. (External Sample)
Location: Boulder, CO
Photographed: 17 April, 2009
Text Updated: 1 November, 2009
Size: 100"
Purity: <1%

Very pure barium.
Source: Anonymous
Contributor: Anonymous
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: None
Size: 0.5"
Purity: >99.9%

Promethium igniter.
Source: Unknown
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 30 April, 2009
Price: Unknown
Size: 6"
Purity: <0.01%

Guitar pickup.
Source: eBay seller musicpartsguru
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $60
Size: 3"
Purity: <30%

Core of SoundBug speaker.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: Donated
Size: 0.5"
Purity: <50%

Erbium-doped amplifier.
Source: eBay seller healingmass
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $3
Size: 4"
Purity: <5%

Tantalum capacitors.
Source: Radio Shack
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $2
Size: 0.25"
Purity: <30%

Platinum electrode.
Source: eBay seller gainexpress
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $25
Size: 0.25"
Purity: 99%

Gold-plated speaker connector.
Source: eBay seller pro_cables_direct
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $3
Size: 1.5"
Purity: <1%

IR mirror.
Source: eBay seller rare-chips-4-u
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $20
Size: 2"
Purity: 99%

Vermilion red paint.
Source: Eric Winter
Contributor: Eric Winter
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: Donated
Size: 1"
Purity: <30%

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