. Popular electricity magazine in plain English. andthen [ heard—my voice. K that wasmy voice, then 1 never want to hear itagain! It was a nasal, creaking tone. 1was ashamed of myself. And the fasterthe man turned, the higher and quack-ier the voice. Pronunciation and ex-pression exactly my own hut the voice God protect me therefrom ! 1404 Popular Electricity and the Worlds Advance PORCH LIGHTING Since outdoor living became anart, porch furnishings should in-clude fixtures in wicker. They areefficient lighting units and .notmerely decorative fixtures. .Thewicker bowl may be fittedwith luminous
. Popular electricity magazine in plain English. andthen [ heard—my voice. K that wasmy voice, then 1 never want to hear itagain! It was a nasal, creaking tone. 1was ashamed of myself. And the fasterthe man turned, the higher and quack-ier the voice. Pronunciation and ex-pression exactly my own hut the voice God protect me therefrom ! 1404 Popular Electricity and the Worlds Advance PORCH LIGHTING Since outdoor living became anart, porch furnishings should in-clude fixtures in wicker. They areefficient lighting units and .notmerely decorative fixtures. .Thewicker bowl may be fittedwith luminous bowl equip-ment. A convenient way tocontrol porch lights is to in-stall two three-way switches,one on the porch, the otherin the hall; by means ofthis two-point controlthe porch light may beturned on from withinor without. The extraexpense is slight, cover-ing two wires betweenthe switches which arereally close together. A porch light shouldbe installed just outsidethe entrance door and there may be other outlets forthe use of electric Porch Furnishings Should IncludeWicker Fixtures Courtesy Central Electric Co. Comparison of Lamps for Photographic Purposes The chemical value of the ultra-violetrays of the spectrum is well known, anda member of the French Academy ofSciences has even suggested that theymay be used to assist digestion in per-sons suffering from a weak the domain of photography they areall important. _. A writer in the Ger-man review, [Licht und Lamp, gives thefollowing table of , the values of thechemical-rays from the different formsof light, taking .as a standard the 110volt carbon filament . incandescentlamp:— ,Petroleum lamp with Adonis burn-er ,. 53 110 volt carbon filament incandes-cent lamp. . .. 100 110 volt metallic filament incandes-cent lamp 134 Auer lamp with glass cylinder. 150Auer lamp without glass cylinder. 185Nernst lamp without covering. ... 120 Five ampere arc lamp 734 Mercury vapor lamp, 220 volts opal glass covering
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectelectri, bookyear1912
