"Ceag" miner's electric lamp, 2 volt 1925, less accumulator, by The CEAG Miners' Supply Co. Ltd. "Ceag" miner's electric lamp
"Tricity Sun Ray" electric lamp for producing both light and heat, des igned as standard occasional table and lamp with black-painted base, c opper table and copper light diffusers which would have concealed 200 volt sausage-shaped Dowsing bulb, patent no 308,625 in 1927 by A. F. B erry, made by the British Electricity Transformer Co., English, 1927-1 930 "Tricity Sun Ray" electric lamp for producing both light and heat 1927-1930