Telescopes, bearing (2), No.10, Mk I,and No. 14, Mk II, and eyepiece part, metal / glass, unknown maker, 1942
The bearing telescopes sit on a disc of metal that likely is mounted to a gun predictor. On the top of the object is an eyepiece. A metal tube extends out one side of the eyepiece apparatus. On the No 14. Mk II bearing telescope there is a dial for adjusting the viewer.
The eyepiece part is glass in a metal ring.
On No I0, Mk I - '1942, Reg No 5169'