Electric travelling reading lamp, British, c 1900.
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This coin-operated reading lamp, patented by Davies and Tourtel, was for use in railway carriages. On inserting a penny, a clockwork mechanism operated the lamp for a predetermined time. There is a refund chute for rejected coins and a small button to extinguish the light, which comes on again for any unexpired portion of the allotted time if the large button is operated again. The lamp is a carbon filament type supplied from a 12 volt battery, and has a magnifying lens. A label reads '40/- Reward for Information of Damage leading to conviction'.