Excerpt from The Electric Journal, Vol. 14: January-December, 1917
Figs. 1, 2 and 3 - typical post designs Showing reverse scroll bracket (fig I), bishop crook (fig. And mast-arm (fig 3) posts, all equipped with Mazda C lamps.
In 1859 there were 13 500 street lamps i... n service, all burning gas, except a limited number of oil lamps. Sev eral other companies were organized in various sections of the city, and in 1873 there were 18000 gas street lamps in service; in 1879 the gas street lamps numbered 21 000. In 1877 approximately 2000 naphtha lamps were placed in service, but their use continued for street lighting only as long as the gas was not available, and in 1880 they were restricted to the lighting in parks and parkways. For this latter type of installation they were the accepted type of lighting unit until 1908, at which time their replacement by electric units began and has continued until the present time, when they are prae tically all eliminated.
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