- N° d'objet6703.3.6
- TitreA training piece made by an apprentice
- DescriptionA training piece made by apprentice machinists at Chepstow. A Steel block, from which an irregular quadrilateral has been removed. Marked 'T.E.R. MONAGHAN'.
- Date1963 - 1966
- Dimensions
- 52 mm
- Width: 43 mm
- Depth: 4 mm