On 11 May 2003, Christopher McNabb wrote:
> Given a few basic tools (knife) it would be relatively trivial to make
> something like a crystal radio. You would need to find copper ore (look
> for rocks that have a bluish-green tint) and some galena. You would
> then need to light a fire and get it hot enough to smelt the ore to make
> copper. Beat the copper into a long enough wire with a rock, then wind
> it into a tuning coil. Use the piece of galena and the point of your
> knife as the diode. You would also need to find some iron ore to make
> an electro-magnet and a thin metal diaphram for use as a speaker. Easy
> as pie.
Jep, just add electricity and you'll be rockin' out.
--
Sellam Ismail Vintage Computer Festival
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Received on Sun May 11 2003 - 20:24:00 BST