Solartron Adjustable Power Supply
This power supply is fully adjustable both output current and voltage. 230 - 110 Volt input, output 0-40 Volts @ 0-5 Amps. Output voltage is adjusted by thumbwheel switches with fine voltage adjustment. Current adjustment is by rotary switch. A meter is provided for monitoring the output current. Made by Solartron in England for the British Army. The PSU is supplied in good working order.