old battery charger rectifier

I have this old allstate sears battery cbooster that i think has 2 diodes that are shot, but i'm not sure they're diodes. never seen any like this.. Tube battery charger tungar ge mogul base vintage ge general electric tungar rectifier tube 99698 rca tungar power supply for old theater amplifier field. Troubleshooting, repair, and replacement guide for model #19300 battery charger old batteries require more frequent additions of water than do new batteries..

... rectifier. i found it easier to get a rectifier ready to use. i bent





... vintage lightbulb collection museum - westinghouse rectigon rectifier

A metal rectifier is an early type of semiconductor rectifier in which the semiconductor is copper oxide or selenium. they were used in power applications to convert. Find great deals on ebay for battery charger vintage old battery charger. shop with confidence.. Old craftsman battery charger got me baffled! no rectifier installed? or does it? i have a craftsman battery 6/12 charger with 250 amp start boost..