Oldham part sectioned lamp, with the outer case cut away. The interior of the lamp is still whole. DENTON is written on the bottom in raised letters. The ribbed glass is flat on one side and bulbous on the other. It has a turquoise tinge of colour.
Made by the Oldham Safety Lamp Co. Ltd, Denton, Greater Manchester. Inscription reads 'APPROVED UNDER LIGHTING SCHEDULE OLDHAM TYPE "S" 1357'