School0361
Categories: School Education Equipments
Tags: dia 38mm , focal length 250mm , Glass Lenses - Double ConcaveGlass Lenses - Double Concave, dia 38mm, focal length 50mm Double Convex Spherical lenses, optically worked glass, with ground edges, highly polished.Spherical
Glass Lenses - Double Concave, dia 38mm, focal length 50mm ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.