Electric Motor Open Model conforming to the British Pharmacopoeia

conforming to the British Pharmacopoeia (BP) standards

with a purity of 99%

22-Arrector pili

On sturdy streamlined base with provision for vertical or horizontal use

Electric Motor Open Model conforming to the British PharmacopoeiaElectric Motor Open Model It can demonstrate the structure and principle of DC generator and AC generator. Th specific principle is the closed principal iron ring. The inner side is equipped with a pair of electromagnets. The coils of the two electromagnets are connected in series, and the binding posts are mounted on iron ring. Via operation, you kids know how motor works, cultivate children's curiosity about science, and regard science as a child's