Rolling Friction Hall's Carriages with 4 Wheel Types Subcategory_Lab Jacks Reproduces Ewald von Kleist's 1745

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

250mL CAPACITY || Single Erlenmeyer Flasks with 250mL capacity and easy-to-read white enamel graduations every 50mL

Hundred-thirty-five-ohm 1

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

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

Rolling Friction Hall's Carriages with 4 Wheel Types Subcategory_Lab Jacks Reproduces Ewald von Kleist's 1745Hall'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.