Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.
Pendulum on Stand, Length: 7.1in, Width: 2.4in, Height: 44.1in, Heavy metal stand with a meter scale mounted on a vertical rod can hold 2.5 cm bobs of wood, iron and steel suspended from a common hanger, A meter scale and a sliding index with projecting piece is provided.
Maxwell Apparatus, Supplied With Stand, 90mm Dia, Metal Wheel Fitted On Stand Explores Gravitation Momentum, Maxwell Apparatus With Stand Consisting Of Metal Wheel With Side Latching For Peripheral Mass. Concentration Via Wheel Center Passing Through A Shaft