- Object number8301.10.3
- TitleITEM DISPOSED 20/09/2018
- DescriptionDISPOSED - A circular compass marked on back 'Pat no.29677 1910', in leather case with a shoulder strap. The compass has a flip up sight and a ring to place over your finger when taking sightings. Radioactive Substances ref: DRPS 124. Isotope Ra-226, activity 5.00E+05.
- Production periodWindsor, 1910-
- Dimensions
- Height: 60 mm
- 135 mm
- Width: 55 mm