Polypropylene Graduated Cylinder, 100mL, Class B, 12-Pack Racks & Stands_Test Tube Racks this two-gap Wheatstone bridge is

this two-gap Wheatstone bridge is the standard student apparatus for resistance comparison and verification

and apparatus in laboratory and demonstration setups

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

letting students see conduction-rate differences in one view

Polypropylene Graduated Cylinder, 100mL, Class B, 12-Pack Racks & Stands_Test Tube Racks this two-gap Wheatstone bridge isPackaged as a twelve cylinder classroom set in autoclavable polypropylene, each Class B measuring cylinder carries raised graduations, an octagonal base, and a pour spout.