Model No:JKA-281
Induction Coil/Interrupters/Duboi’s Raymond induction coil On a teak wood base with graduated scale. Primary coil with 300 turns and Secondary with 7500 tuns with Helmholtz modification of neef’s hammer and heavy duty platinum contacts.
JKA-282 : Student Induction Coil On a teak wood base with graduated scale. Primary coil with 300 turns and secondary with 6500 turns. Interrupter working directly off the iron core. Complete with heavy duty contacts.
