The Boreal Arrow 

Code BA08080927: Cruchon & Emons Engineer Corps US Military Compass, 1918

Nice WW1 Cruchon & Emons ENGINEER CORPS US military marching compass, dated 1918. With serial no 55085. Has metal dial with two colours. The brass lid has a nice strong hinge. Has brass knob on the side for transit locking of dial. The compass has also a magnifying lens for precise angles calculation (for target engagement). In excellent working order. Size 5.4cm diameter.