Chicago : [Popular Engineering Pub. Co.] · leaf 606
Electrifying Oil Lamps stant throughout the year, owing to the high altitude of the water sources and the abun- dant rainfall. The difficulty of converting some of the Between them, Norway and Sweden older folks to the use of really up-to-date probably nave more available water power lighting… … at a high voltage. may take another de- Unlike most manufacturing processes, the AN ELECTRIFIED cade to introduce fixation of nitrogen requires very few men in OIL LAMP equally modern fix- proportion to the power used, so it would ture into these same homes. seem to fit the conditions in these two…
Electricity
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