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Manufacturer's specification plate and labelling on one of the ringers.
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Control panel on the ringer assembly showing that the ringers are still powered.
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Fuse box on the ringer assembly
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Fuse box on the ringer assembly.
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Labelling of the earth connections on the ringer assembly
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Selector dial for one of the ringers.
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Main power switch for one of the ringers.
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Video of one of the ringers in operation.
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"Ringer No. 2"
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Ringer
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Machine selector switch on the ringer controls
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IMG_5781
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Fuses on the ringer
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IMG_5783
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IMG_5784
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Ringer
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IMG_5786
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Pulse generator
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Manufacturer's plate on the motor of an old ringer
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Manufacturer's plate on an old ringer
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Cams and contacts on the old pulse generator
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Instrument panel on the old mechanical ringers
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Equipment racks, showing a pulse generator in the foreground, and two paired ringers behind that.
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Light-fitting on the old impulse generator
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Cam on one of the ringers.