Solar Cell with wires, 6V, 70mA, Monocrystalline, High Efficiency Miniature, Efficiency: 17.0%, Dimensions: 95mm x 51mm x 3mm, For larger load applications including higher voltage and current loads, compact size with solid attractive casing
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