School4138
Categories: School Education Equipments
Tags: Glass Lenses - Double Concave , dia 75mm , focal length 250mmGlass Lenses - Double Concave, dia 75mm, focal length 250mm Double Convex Spherical lenses, optically worked glass, with ground edges, highly polished.Spherical,
Glass Lenses - Double Concave, dia 75mm, focal length 250mm ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.