Physical description

Navy Test set for HF Transmission. A very heavy device, steel casing. The front has 4 gauges, 2 knobs and 1 toggle switch. It has 2 sections bolted together. There is a handle on top of 2 sides of the larger bottom section. The rear of the large section has a terminal block of 28 terminals. The side of the large section has a screw cap of 11 cm Ext. Under that cap is a brass tuning wheel. The rear of the smalll section has 11 terminals, two are recessed.
Front dials = 1 - 10. Course training. Fine training or elevation, course elevation.

Inscriptions & markings

FC Test Unit.
Large section = Serial NR 2. Instruction charts for 'Magslip' selection. On top is list of instructions. Small section Rear = Type MA32 Misalinment aplifier Serial G52016.
Mouded into front panel steel = 835-1-1. Written on large section - Donated by Colin Lelean.