School3953
Categories: School Education Equipments
Glass Lenses - Double Concave, dia 50mm, focal length 300-1000mm Double Convex Spherical, lenses made of extra white glass with ground edges, highly polished.
Glass Lenses - Double Concave, dia 50mm, focal length 300-1000mm ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.