Flame, electricity and the camera; man's progress from the first kindling of fire to the wireless telegraph and the photography of color (1900)
Iles, George, 1852-1942 · New York, Doubleday & McClure co. · leaf 87
was put inside the boiler,W first in a single flue in the Cornish type,and then in two fluesin the Lancashiretype (Fig. 13). Iftwo flues were betterthan one because theyextended the surfaceat which flame coulddo work, would it notbe still better to mul-Flues were multiplied accord-_ingly and… … Fig. 13.Lancashire boiler. tiply the two into scores? WATER, NOT FIRE, IN TUBES 59 jm-.
Fire · Electricity · Color photography
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