Patent no. 7655, improvements in electric conductors and in conduits therefore and in laying and supporting conductors within conduits - Hull History Centre Catalogue

Hull Corporation Electric Lighting and Electricity Committees > Records of the Hull Electric Lighting Committee > Patent no. 7655, improvements in electric conductors and in conduits therefore and in laying and supporting conductors within conduits

Patent no. 7655, improvements in electric conductors and in conduits therefore and in laying and supporting conductors within conduits

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