A solenoid wound through the surface to provide the field pattern of a solenoid. Can be used on an overhead projector.
Designed to be used with mini 'plotting compasses', but fine iron filings can show the patterns if the surface is tapped to vibrate the iron particles.
Genuine IEC product. Size (approx.): 140 x 96 x 83mm. Designed and made in Australia.
Instruction Sheet included.