Type B1 safety lamp. Picture taken in the condition it arrived. The bonnet has a zink tag soldered to it's top surface, stamped number 108. Base of lamp is a replacement, stamped 186 on the exterior surface. , , , , Internally, the base is stamped number 70, presumably by the manufacturer. Materials : Brass / iron. Made by Patterson and Company, Newcastle upon Tyne c.1913. Associated Place : East Tanfield Colliery. Made and used locally.
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