This is the vibrating power supply for the 15W.S.E.a and 15W.S.E.b transceivers. It is used in place of the 90 volt anode battery in field conditions where continual operation is required with the only option for power being rechargeable batteries (accumulators).

Exterior of the power supply with cable for pedal generator



Control panel



Manufacturer data and power specs. Interesting how the serial number is comprised of two parts - one as the original part of the label, and the other applied with a punch.



Top of device



Inside the front cover






Cover closed