- Reproduction
- BeskrivelseLenses
Eight sets of cylindrical lenses in pairs Other observations: Plano-convex & plano-concave Asbestos Inspection - Non-Asbestos. Eugenics Department. - Materiale
- Mål
- Each lens length: 42 mm
width: 42 mm - Galton Collection
- ObjektnummerLDUGC-070
- 464000070
- UCL Galton Collection
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