Determining the gravitational constant, with the gravitation torsion balance after Cavendish- Measuring the excursion with a light pointer, Required but not included: Laser light pointer
Condenser Box, provides differentvalues of Electrolytic capacitors ranging from 1ufd to 4.7ufd, +/- 10% tolerance and, of 63 volts working voltage, Built on 8in x 5in Plastic Box