With rack & pinion arrangement with face of Vane divided on one side for elevation in degrees and on the other side with scale of tangent ,with bubble and leveling screws. Complete in a leather sling case, Trade Quality,
With rack & pinion arrangement with face of Vane divided on one side for elevation in degrees and on the other side with scale of tangent ,with bubble and leveling screws. Complete in a leather sling case, Trade Quality,