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
/Ar fifSt iU a Sin^le me 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- … Fin. 13.I an. ash ire boiler. tiply the two into scores? Flues were multiplied accord-ingly and reduced to the small dimensions familiar to theent hour in the boilers of locomotives. Because the tubes were narrow they brought a new advantage: theycould safely be made thinner than large tines or big…
Technology · Fire · Electricity · Photography
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