Extended-Range Rheostat, 200 x 44mm, Model B Biology_Health & Genetics 9-inch sun and eight movable

9-inch sun and eight movable planets

telophase — progress across this plant mitosis model for cell division teaching in biology courses

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

and reproductive glands across a unified anatomical display

lets students compare how line density per unit length controls the spacing of the resulting interference pattern

Extended-Range Rheostat, 200 x 44mm, Model B Biology_Health & Genetics 9-inch sun and eight movableCompact 200x44mm extended range rheostat at 50 ohms and 2A, the smaller tube counterpart to the 300x44mm standard rheostats with the same constantan winding construction.