Polypropylene Pipette Stand for 28 Pipettes, Adjustable Subcategory_Zoology Models Standard rheostat with oxidized constantan

Standard rheostat with oxidized constantan winding on a vitreous-enameled steel tube and a heavy-duty sliding contact

showing how current through an iron core builds magnetic flux in student investigations

sized for repeated classroom-scale field-line mapping with a GHS-compliant safety label

housed in a vinyl-covered zinc steel case with a fold-out winding handle for field work

51 at 32 by 32mm

Polypropylene Pipette Stand for 28 Pipettes, Adjustable Subcategory_Zoology Models Standard rheostat with oxidized constantanPolypropylene pipette stand accepts 28 pipettes with adjustable spacing to accommodate varied diameters in organized bench top storage.