- Reproduction
- BeschreibungLenses
54 circular lenses for optician's bench from +70 to -70 dioptres Asbestos Inspection - Non-Asbestos. Eugenics Department. - Material
- Format
- Each lens diameter: 35 mm
- Galton Collection
- InventarnummerLDUGC-072
- 464000072
- UCL Galton Collection