Examples of five sizes of miniature ball-bearings on a display board: 1958. In a plastic box
1958
Motorcycle hub
1928
Motorcycle hub
1928
Ball bearings in cage from steering head
1993
Ball bearings in cage complete with washer
1993
Board with specimens showing stages in manufacture of D.W.F. ball bearings
1912
Five ball bearings, 1990-96.
1990-1996