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| This is the igniter for the No. 4 Mine. Since replaced by the No. 4A. | This is the No. 4A. Used in the No. 4
AP mine and replaces the No. 4 shown on the right.
Also shown as installed in the mine. |
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| Switch No. 9
Release, note the similarities to the British No. 6 |
Switch No. 10
Pressure |
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| Either Switch No. 11 or Switch No. 16
Pressure or Pull |
Switch No. 12 for No. 12 AP mine. |
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| Switch No. 13, Chemical delay | Switch No. 15, tilt rod. Can be fitted with either of two lengths of rod. |
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| Switch No. 41 Pull (practice) | Switch No. 201 Pull.
Similar to the No. 41 but has an attached booster. |
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