Flare lamp, London Transport. Wells Single Torch Lamp. No.5 - 'Strength and Durability' trademark. Cast iron Engineers Flare Lamp, `D' shaped body with short vertical spout and rear hook handle. "Wells" patent, painted black. Found in the Boiler Home of the Old Central Line Power Station Wood Home Park. Overall: 94 mm x 160 mm x 90 mm. London Transport flare lamp - Wells Single Torch Lamp