Physical description
Round Compass of Alloy Material. Fold out cap with clear glass viewer. The inner top has has numerical markings 1-36. The actual compass movement also has many numerical markings & EWNS, Around the side direction indicators. Screw on attachment on side.
Inscriptions & markings
Inscription on base,- Compass Prismatic Liquid. MK III (Aust) No 8668 - J.W.H./V.
Other markings as listed in Physical Description.