48-Piece Density Cylindrical Bars Super Set (Brass, Aluminum, PVC, Polypropylene) Lab Supplies_Weights & Masses Used to teach how AC/DC

Used to teach how AC/DC ammeters and voltmeters work

durable enough for repeated classroom handling

6-tube capillary pressure demonstration apparatus features metal frame for demonstrating capillary action

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

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

48-Piece Density Cylindrical Bars Super Set (Brass, Aluminum, PVC, Polypropylene) Lab Supplies_Weights & Masses Used to teach how AC/DCForty 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.