School0429
Categories: School Education Equipments
Tags: focal length 250mm , dia 50mm , Glass Lenses - Double ConvexGlass Lenses - Double Convex, dia 50mm, focal length 250mm Double Convex Spherical, lenses made of extra white glass with ground edges, highly polished.Spherical
Glass Lenses - Double Convex, dia 50mm, focal length 250mm ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.