48-Piece Density Cylindrical Bars Super Set (Brass, Aluminum, PVC, Polypropylene) Lab Supplies_Weights & Masses Ranvier-pattern hand microtome uses a

Ranvier-pattern hand microtome uses a screw-thread mechanism for precise specimen advancement during thin-section cutting and microscope slide preparation

75-inch frame for bench storage between uses in teaching chemistry and biology labs

Color-coded blue and red plastic cases on this bar-magnet pair (3 x 0

polished and ground for image-formation and refraction demonstrations in physics

Designed for divergence demos at scale

48-Piece Density Cylindrical Bars Super Set (Brass, Aluminum, PVC, Polypropylene) Lab Supplies_Weights & Masses Ranvier-pattern hand microtome uses aForty eight piece density super set bundling four 12 bar sets brass, aluminum, PVC, and polypropylene each in its own labeled wooden storage block at identical 0. 5 inch diameter.