Physical description
Three section device for cleaning Bofors. Three rods of timber, each has a brass end. They are threaded male-female. There are two fixed pivots in the centre joints. These hold the pieces together and they slide inside the brass ends to allow them to be screwed together.
Inscriptions & markings
At the solid end, stamped in the brass is: “AN7a - 40mm MK1”
There are two other sets of symbols/numbers but they are only 1/2 stamped. At the threaded end is a proof mark: - 3/4 of a circle with an arrow across it.
