A UK radar ranging unit from the cold war

Introduction

Found on for 1 Swiss Franc. A very nice piece of engineering, but too bulky to store and a pity to dismantle. Not much literature available, some

Exterior

The side Air is force from the inlet on the picture. The inner casing has a spiral wire welded to it for a better heat exchange.

The front

Interior

Valves /tubes)

Power supply

Similar instruments

The style looks a bit like a