Rolling Friction Hall's Carriages with 4 Wheel Types Subcategory_Lab Jacks supplying enough capacitance to make

supplying enough capacitance to make charge and energy storage observable on a slow charging curve

Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric

Pack of 5 hexagonal ABS graduated cylinder protectors fits 1000mL cylinders for impact resistance during laboratory handling and storage

Hundred-thirty-five-ohm 1

Rolling Friction Hall's Carriages with 4 Wheel Types Subcategory_Lab Jacks supplying enough capacitance to makeHall's pattern carriage set of four ABS cars with different wheel types, sized to compare rolling friction coefficients across surfaces and demonstrate how wheel design affects energy loss.