US$ 55.00
silvered back with protective coating
Can withstand high temperatures and thermal shocks
letting students snap cord directly into place for faster classroom setup and teardown
each plain-shanked for clamping or holding
Double Concave Acrylic Lens, 86mm, 20cm Focal Length Glassware silvered back with protective coatingAcrylic double concave lens at 86mm length and 20cm diverging focal length, the lightweight body producing virtual upright reduced images for safer per desk divergence demonstrations.
US$ 55.00
US$ 40.00
US$ 54.99
US$ 749.50