A fine 12 volt induction coil, by Philip Harris & Co, with brass and vulcanite fittings, the mahogany stepped plinth base mounted with switch adjuster and key - 22½in. (57.5cm.) wide; and a volt meter

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A fine 12 volt induction coil, by Philip Harris & Co, with brass and vulcanite fittings, the mahogany stepped plinth base mounted with switch adjuster and key - 22½in. (57.5cm.) wide; and a volt meter

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