Eureka Can

Comprises a lightweight aluminum track with leveling screws and cushioned stops at either end, pulley fixed towards one end, clamp for vibrator and automatic pen release.
A metal trolley with ball bearing mounted wheels to minimize friction, has five holes for accommodating cylindrical masses, including is a vibrator and pen holder with one each wooden blocks, to demonstrate the experiments on acceleration.

This apparatus consists of 1 meter long bar, chrome plated, table clamps, hanger.