Indo-telegraph insulator on a holder
By George Sukhoff; posted June 21, 2015
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Indo-European line's insulator and holder. The marks on the holder are "SIEMENS" on the front side and "LONDON" on the other side. |
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Indo-European line's insulator and holder. The marks on the holder are "SIEMENS" on the front side and "LONDON" on the other side. |