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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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What is it? Set 472
2745 -- I'm almost certain that it is a battery charger for lead-acid or Edison cells. AC line in, rectification from vibrating contacts producing a pulsed DC. I've been trying to find a reference to cite, but so far haven't located.
Northe |
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