1918 WWI Army Corp of Engineers Cruchin & Emons Brass Field Compass- Works
1918 WWI Army Corp of Engineers Cruchin & Emons Brass Field Compass- Works! Compass marks clear and readable. Includes a precision toggle switch/ button that alternates face from floating to non-floating- so you can. Choose the best method of getting your direction/ detecting due north- and to lock dial during travel. Top left button to stabilize compass dial. Top right knob to move dial.