Electric Motor Open Model Stem model and the cable are integrated

and the cable are integrated with plastic injection molding

Determine the lateral displacement of the emergent ray from the initial incident ray

you can use them for a long time

Size: 140mm x 370 x 870mm

The test is more sensitive to albumin than to globulins

Electric Motor Open Model Stem model and the cable are integratedElectric 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