Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,404 pages of information and 233,863 images on early companies, their products and the people who designed and built them.

Electric Lighting Boards

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Electric Lighting Boards Ltd, of 7, Pall Mall, London S.W.

Showroom 18, Dean-Street, London

A lighting system employing surfaces under which positive and negative conductors, composed of a large number of fine wires, are interlaced while being insulated from each other. Incandescent lamps with their terminals consisting of spikes are thrust into these surfaces, and the spikes, penetrating through to the conductors, allow current to pass to the filaments of the lamps.

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