Provide a sustanitally uniform field the center space. Each coil has a moulded plastic former 152 mm diameter with 320 truns of 22 s.w.g. enamelled wire giving a mean diameter of 136 mm. The rod has a sliding boss which locks into the tapered hole in the Universal Stand. Dimension of coil and support rod 305 * 152 * 25mm. Supplied with instructions.
BELLSTONE HI-TECH INTERNATIONAL