FRANCIS BARKER M 88 Engineering Compass

The M-88 Liquid Prismatic Compass is built to the same exacting standards as the M-73, but is made largely from aluminium alloy making it very lightweight. Five self-luminous tritium light sources enable full night and daylight operation. The dial assembly is mounted in a liquid filled sealed capsule designed to allow the full servicing of the compass to sub-assembly level. Extensive environmental testing and rigorous quality control measures ensure that the M-88 can operate with precision in the most difficult climatic conditions. The green M88 compass with its green padded protective pouch comes complete with a brown hand made satin-lined presentation box and full instructions. Features * Fully functional * Degrees version * Supplied with full instructions * Full day/ night use - 5 tritium lights * Military Issue * Complete with Velcro Pouch Specificatios: Size: 85 x 60 x 34mm. Weight: 125g. Operating Temperature: -20° C to + 55° C. Pivot: Sapphire Jewel. Liquid: Purified Kerosene. Graduation: Degrees ( 360 Divisions) . Night Illumination: 5 Tritium Light Source. Accuracy: One half of one degree ( 10 mils) . Case: Leatherette.