Part number AN5749-1. By Charvos Inc. of New Jersey. Velvet lined leatherette case containing a pair of drawing compasses, each approximately 17cm in length. Both have some surface marking/corrosion. The screwdriver for making adjustments is absent. Spare needle/screw in waxed paper (needed for one compass as it has one missing) The case is is grubby but complete and in quite good condition. Used by navigators when plotting flights on maps etc. Stock code M22292.