File:The fireside university of modern invention, discovery, industry and art for home circle study and entertainment (1902) (14592279298).jpg

Identifier: firesideuniversi01mcgo (find matches)
Title: The fireside university of modern invention, discovery, industry and art for home circle study and entertainment
Year: 1902 (1900s)
Authors: McGovern, John. (from old catalog)
Subjects: Science
Publisher: Chicago, Union pub. house
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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switches regulates the general lighting of the stage,and it is to the delicacy of the light gradations here made possi-ble that the scene called the Electric Theatre, previouslydescribed, owes its success. What is the Electric Fountain ? A beautiful device for the illumination of flowing water atnight. Fountains of apparently colored water have been fea-tures of royal parks since the days of Louis XIV, at Versailles,and the grand waters have for centuries been city sights atParis. But the Dynamo and the Arc Light made the colorationof uprising streams of water easily feasible, and the ElectricFountains at the Eiffel Tower in 1889, at Paris, were among thechief attractions of the Worlds Fair of that year. Within ayear they were established in American parks, and two speci-mens were in frequent play at the Worlds Fair of 1893, >nChicago, although the jets of water were often lighted fromcolored search-lights placed on some neighboring high place,like the South Colonnade of the Fair,
Text Appearing After Image:
Fig. 24. ELECTRIC FOUNTAIN. ELECTRICITY, 59 How is the Electric Fountain Operated ? If we take the two Fountains at the Chicago Fair of 1893 asexamples, we find that a thirty-six inch main led from thepumps in Machinery Hall, and branched at the two Fountains.The water-basins were each sixty feet in diameter, and eachreceived about 440 gallons a minute. The central jet sent ashaft of water 150 feet into the air. Twelve jets surroundedthis center-piece, and at the outer edge nine geysers threwwater at a slight angle upward toward the central jet. Thefloor of the water basin was the ceiling or roof of the sub-aqueous chamber in which the operators had their station. Ata point in each pipe where it turned upward to throw the streaminto the air, the bottom of the pipe was made of glass. Underthis glass pipe revolved a wheel of glass wi-th colored sections.Under the vari-colored wheel of glass was placed the Electricarc-light; under the arc-light a reflector, to throw all the raysupward. W

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