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Aug 1952 - A section point consisting of two dumbell-type section insulators with a switched neutral runner between
Aug 1952 - A section point consisting of two dumbell-type section insulators with a switched neutral runner between ["Trolley locomotive installation at Beckermet mine"] (from Colliery Engineering [August, 1952]) Image Reference: L-00518-03-0065-F03 Please note: We only have a low resolution copy of this image which is suitable only for display on this web page. |
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