precision DC laboratory power supply for anode Tube

Description

precision DC laboratory power supply for anode Tube
It is a laboratory stabilized DC current source for powering vacuum electronic  tube.
good shape and work great.
before sale, the devices underwent maintenance and testing.
also we have an adjustable power supply for the filament, see my other lots or follow the link.
https://www.ebay.com/itm/254941068416
Made in the USSR
devices of 1976 year
power supply 220 volts
stabilized output voltages 0-300 volts, see front panel
we can provide schematic and instruction.
The price includes international delivery.