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Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)

American Technical Society · Chicago : American Technical Society · leaf 323

An illustration from Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc., 1916, leaf 323
Fig. 18. Cooper-Hewitt Type H Mercury Vapor LampCourtesy of Cooper-Hewitt Electric Company gives the general appearance of a standard lamp having the fol-lowing specifications: … Fig. 19. Wiring Diagram for Two Type H Cooper-Hewitt Automatic Lamps in Series 288 ELECTRIC LIGHTING 25 Total watts (110 volts, 3.5 ami)eres) =385 Candle-power (AI. H. with reflector) = 700 Watts per candle = 0.55 Length of tube, total = 55 inches Length of light-giving section =45 inches Diameter…

Electrical engineering

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