Rare Early Pre 2nd W W Antique Brass 1935's GEC London ( General Electric Company ) British Army Officer's Prismatic Marching Compass

Rare Early Pre 2nd World War Antique Brass 1935's GEC London ( General Electric Company ) British Army Officer's  Prismatic Marching Compass

The dial is made from mother of pearl, and has a glow to read the markings on the dial in the dark.

When looking through the prismatic viewfinder, two readings can be observed: 0-180°, and 180-360°.
Marks on the base of the compass.

Pre WW2 British Army Officer's Prismatic Marching Compass

Made by G.E.C London.
( General Electric Company )
Serial No: B 325459
British Military Ordinance ARROW
circa 1935
MK III

This compass was used by an Army Officer during 2nd World War. so please expect some wear & tear it's 91 years old.
It's called a prismatic compass because of the right-angled prism that folds over the compass. When the eye is brought close to the prism the readings can be taken while sighting the point of observation. The prism's height can be adjusted for sharper readings off the scale on the compass card. The glass above the compass has a scale that can be adjusted with a screw on the side. The cover has a round sighting glass window with a dividing line. The prismatic compass was an indispensable instrument for officers in the British Army. It is also extremely popular for walking, trekking, explorers & other outdoor activities. There is no liquid in the compass , its day damping.

These compasses are superb gifts for a special person because they are the best that money can buy.
This compass is sold with a solid wood presentation box & weighs 320 grams. 
An original army green khaki belt pouch circa 1951 for £25 extra.

Included is a custom made brass plaque engraved with the details on the base of the compass can be placed either on or inside the box. . Please see the pictures.

6 cm in diameter & is 3.3cm thick