- N° d'objet6703.3.4
- TitreA training piece made by an apprentice
- DescriptionA training piece made by apprentice machinists at Chepstow. A Steel block, with half-inch projection with rounded sides, set at angle of about 50 degrees to edge, two opposite sides of block have rectagular recesses. Marked 'F/M 86 MONAGHAN'.
- Date1963 - 1966
- Période de créationWindsor, 1910-
- Dimensions
- 42 mm
- Width: 42 mm
- Height: 50 mm