Evening Republican, Volume 14, Number 137, Rensselaer, Jasper County, 9 June 1910 — NOTES OF ELECTRICITY. [ARTICLE]

NOTES OF ELECTRICITY.

Of the 1,023 locomotives built by one firm last year, 197 were electrics. The work of compiling a magnetic survey of Africa has been practically completed. During the past year 64,408 applications were received for patents at Washington, the most of which were for electrical applications. Fine grades of paper are now finished on electrically heated rolls. Electricity is being used extensively throughout the manufacture of paper and its products. « The volume of water annually passing into the sea from this country is estimated at 70,000,000,000,000 cubic feet, of which one per cent is used for municipal purposes, ten per cent for Irrigation and five per cent for power purposes. Previous to 1800, tallow dips and wax candles were the only sources of light; then came gas lighting and about 1850 the oil lamps came, becoming very widely used in the sixties. In 1876 the first arc light was used in a lighthouse and later they were installed for street illumination. The incandescent lamp was discover ed by Edison in 1880 and the latest development in electric lighting, the new metal filament lamps, is onlj About a year old.