- Reproduction
- DescripciónLenses
Eight sets of cylindrical lenses in pairs Other observations: Plano-convex & plano-concave Asbestos Inspection - Non-Asbestos. Eugenics Department. - Material
- Dimensiones
- Each lens length: 42 mm
width: 42 mm - Galton Collection
- Número del objetoLDUGC-070
- 464000070
- UCL Galton Collection