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LED Flashlight--Off topic
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Don Foreman
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On 19 Nov 2004 16:28:53 GMT, Ian Stirling
wrote:
So your sapphire lens will be a refractor as well as a heatsink?
Keep us posted on your progress, please!
Polished hardened steel former, silver sheet + big hammer.
2cm^2 of silver sheet is cheap.
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