This Induction Coil has two
variants, the Mark 1 and Mark 2.
Mark 1
No information.
Mark 2
There are three windings of:-
17 Ohms (2000 turns) (tags 1 & 2).
54 Ohms (1600 turns) (tags 3 & 4).
415 Ohms (2000 turns) plus a 150 Ohm NI resistance in series jointed inside
the coil (tags 3 & 5).
There are three non-inductive resistances of:-
50 Ohms (tags 5 & 6).
150 Ohms (tags 3 & 7).
150 Ohms (tags 3 & 5 in series with the 415 ohm winding).


Drawing - 9875
Superseded by
Coil, Induction No.27.
Generally found in the Bellset
No. 40 Mark 1.
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