Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Borosilicate Glass this five-piece weight set bundles

this five-piece weight set bundles machined steel shafts from 50 to 1000 grams on a wooden storage block

illustrating the biogeochemical cycles that link them

Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams

Sliding-rail aluminum bench with 1

each foam-protected in a wooden case with frequencies labeled

Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Borosilicate Glass this five-piece weight set bundlesPlano cylindrical concave lens at 50 by 50mm with 17 diopter power, the cylindrical concave curvature spreading light along a single axis for line focus and divergence demos.