1942 Homemade Battery Charger OneTubeRadio.com
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1942 Homemade Battery Charger OneTubeRadio.com Basic Data Category: Chargers URL (first publication): http://onetuberadio.com/2017/10/07/1942-homemade-battery-charger/
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Description
Radio - Emergency Preparedness - Scouting - Law - Politics
The plans for this battery charger appeared in 75 years ago this month, October 1942.
The only electronic part necessary to construct the charger was a GE tungar bulb. The...
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