Coil of waterproofed cotton covered electric wire used in submarine connection

Made:
1928-1938 in Europe
maker:
Unknown

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Coil of waterproofed cotton covered electric wire used in submarine connection of electric detonator circuit in mining, unsigned, Europe, 1928-1938

Details

Category:
Mining & Ore Dressing
Object Number:
1938-579/5
Materials:
cotton (fibre) and metal (unknown)