Americium Smoke detector circuit board
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Smoke detector circuit board.
The circuit board inside a cheap hardware store ionization type smoke detector, with the ionization chamber removed so you can see the americium button inside.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 1 May, 2009
Text Updated: 2 May, 2009
Price: $3
Size: 3"
Purity: <1%