Vintage jumper for switching voltage 127 220 volts
Vintage Jumper Set 127 / 220 Volts for Switching Voltage Apparatus 1930s-1950s
Soviet set 28pcs vintage jumpers for high-voltage equipment that can switch the device's operating mode to 220V or 127V. It was used in ancient equipment: radio, scientific measuring instruments, the first TV sets, etc. All jumpers are made of hard cardboard with metal inserts for closing contacts.
Date of publication: 02 Dec 2020
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