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Scientific American, Vol. 51, No. 5 (1884) (1884)

leaf 7

An illustration from Scientific American, Vol. 51, No. 5 (1884), 1884, leaf 7
enths So much has been said by interested parties to make it of an inch, the metal crumbled at the top of the vee, and the entire job had a ragged look. It was found that the only appear that the arc light, as applied to street illumination, way to do a good job on this material was to make a… … sparsely settled country, The Morthwest- the year. Six and one-half of these lamps, WILLIAMS’ DRAWBRIDGE SIGNAL. ern Lumberman concludes that the rea- at $35 per year, cost the city $227.50 per son for this is that more care is taken annum. On tbe other hand, one electric with such trains; that the…

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