| Coil Induction No.
2
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| Coil Induction No. 3
Two windings of 1.7 Ohms and 75 Ohms. |
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| Coil Induction No.
4
Two windings of 17 Ohms and 26 Ohms. |
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| Coil Induction No.
7
Two windings of 17 Ohms and 26 Ohms. Used on Supervisors Circuits.
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| Coil Induction No.
8
Four windings of 18 Ohms and 130 Ohms / 18 Ohms and 490 Ohms. Used on CB Switchboards. |
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| Coil Induction No.
9
Two windings of 17 Ohms and 26 Ohms. Used on Supervisors Circuits. |
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| Coil Induction No.
10
Two windings of 1.7 Ohms and 75 Ohms. Used on Telephone No. 44. |
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| Coil Induction No. 12
Two windings of 25 Ohms (tags 3 & 4) and 1 Ohm (tags 1 & 2). |
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| Coil Induction No. 13 | 
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| Coil Induction No. 14
Two windings of 26 Ohms (1400 turns) (tags 3 & 4) and 17 Ohms (1700 turns) (tags 1 & 2). |
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| Coil Induction No. 18
Two windings of 17 Ohms (1700 turns) (tags 1 & 2) and 33 Ohms (1400 turns) (tags 3 & 4). Used with Anti-sidetone Transformer No. 35A. |
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| Coil Induction No. 20
Three windings of 30 Ohms (1600 turns) (tags 4 & 5), 200 Ohms (1580 turns) (tags 3 & 5) and 44 Ohms (2400 turns) (tags 1 & 2). Also two non inductive resistances of 30 Ohms (tags 3 & 6) and 85
Ohms (tags 2 & 5). |
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| Coil Induction No. 21
Three windings of 1 Ohm (400 turns) (tags 1 & 2), 17 Ohms (1000
turns) (tags 3 & 4) and 33 Ohms (1500 turns) (tags 5 & 6). |
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| Coil Induction No. 22 Mark 2
Three windings of 50 Ohms (1600 turns) (tags 3 & 4), 415 Ohms (2000 turns) (tag 3 & joined to 150 Ohm NI resistance) and 17 Ohms (2000 turns) (1 & 2). Also has three non-inductive resistances of 150 Ohms (tag 5 and 415
Ohm coil), 50 Ohms (tags 5 & 6) and 150 Ohms (tags 3 & 7). |
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| Coil Induction No. 24
Three windings of 83 Ohms (1600 turns) (tags 3 & 4), 550 Ohms (2000 turns) (tags 3 & 5) and 21 Ohms (2000 turns) (tags 1 & 2). Also one non inductive resistance of 50 Ohms (tags 5 & 6). |
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| Coil Induction No. 25
Two windings of 25 Ohms (tags 3 & 4) and 1 Ohm (tags 1 & 2). |
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| Coil Induction No. 27
Five windings of 35 Ohms (2600 turns) (tags 1 & 2), 75 Ohms (1800
turns) (tags 3 & 4), 30 Ohms (800 turns) (tags 3 & 5), 30 Ohms (NI)
(tags 6 & 6) and 30 Ohms (NI) (tags 3 & 7). |
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| Coil Induction No. 30
Three windings of 15 Ohms (1220 turns), 10.5 Ohms (666 turns) and 7.5 Ohms (420 turns).
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| Coil Induction No. 31
Three windings of 6 Ohms (315 turns) (tags 2 & 3), 8 Ohms (540
turns) (tags 1 & 2) and 22 Ohms (900 turns) (tags 4 & 5). |
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| Coil Induction No. 32
Three windings of 7 Ohms (235 turns) (tags 2 & 3), 11 Ohms (402
turns) (tags 1 & 2) and 23 Ohms (670 turns) (tags 4 & 5). |