Double Concave Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs home2022 Text Weight Paper · Like

Text Weight Paper · Like pages of a book or regular copy paper · Can be folded without scoring · Very flexible and easy to manipulate · Prints in most home printers Medium Weight Cardstock · Like a standard greeting card · Should be scored before folding · Print in most home printers Heavyweight Cardstock · Like a heavy greeting card · Must be scored before folding · May not print in some home printers – testing recommended Read more

place the board on the two brackets

even those with metal frames and glass lenses (up to 1

Warm Company Steam-A-Seam 2 Double Stick Fusible Web-9"X12" Sheets 5/Pkg (5517) (2-Pack of 5)

nickel plated surface

Double Concave Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs home2022 Text Weight Paper · LikeDouble Concave Lens, 50mm Focal Length, 2" (50mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs Optically True, Double Concave Lens50mm Diameter, 50mm Focal LengthHigh quality, optically true lens. Made of highly polished, quality glass. Spherical with ground edges. Designed for educational purpose and science classroom demonstrations in optics and light physics. Lens measures 2" (50mm)