Model

This is a model of a metal miniature engine that is mounted on a wooden plate. It consists of the wooden plate as a base, a piston, and a wheel. The wheel has a metal rod that connects it to the piston, and when the handle of the piston moves, the wheel will turn. The piston is cylindrical and is mounted onto a base on the middle section of the engine. On top of the base, there is a silver-coloured bolt. On the bottom of the base, there are 2 bolt holes with a small hole in between them.