Pendulum Simple Lead

Solid lead sphere with a small ring.
Dia (a) 13 mm (b) 19 mm (c) 25 mm
Pendulum Simple, Steel: PMCH-0050

Brass sphere with a small ring for suspension.
Dia (a) 13 mm (b) 19 mm (c) 25 mm
Perspex Container: PMCH-0051
To demonstrate density made of plastic