Double Convex Lens, 100mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs sold2025 Inside were a bed canopy
Yard notes & kiln story
Description
Double Convex Lens, 100mm Focal Length, 2" (50mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs sold2025 Inside were a bed canopy Inside were a bed canopy Velcro closure adjustable to sizes or added support compression