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This compass is a military 'marching' compass graduated in mils. I think this may be a post WW-II era West German military compass based on the magnet, which appears to be AlNiCo.
The mirror is polished metal, and the points as well as the directional arrow were probably luminous at one time. Note the "O" instead of "E" cardinal point. The mirror is in good shape, however the hinge is a bit loose, and the mirror needs to be held in position while shooting a bearing.
Specifications:
- Date of Acquisition: October 2003
- Manufacturer:
- Date of Manufacture:
- Dimensions: Base: 70mm x 55mm x 15mm. Cover: 53mm x 68mm.
- Weight: 2.8 oz
- Needle: Appears to be aluminum or other white metal. Needle is a north-indicator only, there is no south end. Needle has a luminous point.
- Pivot: Jewelled pin
- Damping: Appears to be induction damped.
- Stop: Needle stop activated by closing the cover.
- Graduations: Cardinal points. N, O, S, W. Also graduated counter-clockwise in mils 0-6400 (64). Graduations at 4 8 12 20, 24, 28, 36, 40, 44, 52, 56 and 60. Tickmarks between graduation points indicate 100 (short) and 200 (long) mils. Two luminous dots flank the N point, and one each at O, S, and W.
- Marks: Letters "clk" molded into the plastic on the upper side of the body at NE corner. White (possilbly previously luminous) arrow at sighting notch. Centimeter scale on left side of body. Number "4130" molded into plastic on underside of body, and a circular logo bearing the letters "jne" and "S" also on the underside of the body.
- Serial Number:
- Other:
 Radioactive elements: 3000 CPM in contact with the area around the arrow, and about 175 CPM at 12 inches. 20-25 CPM background.
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