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Oxford Electric Bell
(
en.wikipedia.org
)
23 points by
gurjeet
6 days ago
|
1 comment
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Rendered at 23:34:03 GMT+0000 (Coordinated Universal Time) with Cloudflare Workers.
leni536 1 days ago
[-]
Putting aside the discharge through the metal ball, it's impressice that the batteries didn't self discharge.
1 days ago
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