Original Prufrex Oldtimer Test Station. World War II - for electrical parts of classic cars PRUFREX test cabinet is in good condition. [see inside photos] Used in a service workshop of the Germans at the time of World War II. suitable for testing: ignition coils, mechanical (tube) voltage controls, anchors, capacitors, pressured spark plugs, field windings. Also an option to monitor connections by a buzzer and to make voltages and current measurements. Very suitable for testing old DKW (cars and engines) regulators. A must-have for the DKW collector. The pressure pump for pressure testing of spark plugs must be checked. The instructions for use where the functions of the switches and buttons are described are in the lid. There are also some parts included. The Ford emblem is not original.