Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Borosilicate Glass illustrating the biogeochemical cycles that

illustrating the biogeochemical cycles that link them

revealing cranial sutures

each foam-protected in a wooden case with frequencies labeled

Pairs 50mm of aperture with a 150mm focal length on a double-concave glass lens at ~5

Three-times life size bladder and prostate model separates into two parts exposing the male urinary-reproductive junction for urology teaching

Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Borosilicate Glass illustrating the biogeochemical cycles thatPlano 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.