Foot Artillery Compass (0-5760) & (0-6400)
Below. These are both Foot Artillery Compasses. The one on the left is in the older (1/16 of a degree) 0-5760 scale. It is also painted in the older bluish-grey color. The one on the right is in the 0-6400 mil scale and is painted field-grey. This compass type is detachable from the aiming circle and can be mounted on a dove tail tripod adapter
Below. These photographs show the dove tail fitting and the compass assembled on the tripod.
All images, research, and text are sole property of Ralph Lovett.