Multi-Range Demonstration Meter Set with 3 Interchangeable Scales Material_Acrylic Built from two counter-rotating foil-sectored

Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers

the pyloric sphincter

giving students a wide reference range for density analysis

Needle valve and flame stabilizer deliver fine flame control on this liquid propane Bunsen burner for precision chemistry and biology heating work

and acetate strips for hollow-conductor work

Multi-Range Demonstration Meter Set with 3 Interchangeable Scales Material_Acrylic Built from two counter-rotating foil-sectoredUsed to teach how AC DC ammeters and voltmeters work, this set bundles the moving coil meter, three interchangeable scales, a range box, and connecting leads in one teaching package.