Democratic Sentinel, Volume 15, Number 47, Rensselaer, Jasper County, 11 December 1891 — The Uses of Electricity. [ARTICLE]

The Uses of Electricity.

A chloro-chromic battery has been invented in Franco to bo used in a miner's safety lump. ■ The power of the voltaic combination is such that both lamp and battery weigh but little more than tho oil lamp usually employed, and u light of greator power is furnished. The electrical mercurial thermostat is an automatic instrument in use upon British steamships for indicating changes of temperature in the various apartments, Instant warning is given of any appreciable changes of heat or cold. A sloop has sailed from San Diego, Cal., upon a fishing excursion that takes its novelty from the fact that the fish ure to be captured by means of a net and incandescent lights. It has been shown by experiment that everything alive under the water is attracted by the glare of the light, and that thousunds of fish of every description can be taken in a short time and with little trouble. The fan motor is in great demand for ventilating purposes, as is shown by a quotation of the fact that “in Cincinnati there are 300 of them on one central station circuit for incandescent lamps—covering a radius of less than half a mile; and all but a very few of them have been installed since the first of May of this year.—[Hardware.