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File:1901 solar motor.jpg

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Description
English: A solar powered steam engine to pump water on an ostrich farm in Los Angeles, California, around 1901.The parabolic mirror focuses sunlight on the boiler tubes suspended on the axis of the dish (white with reflected sunlight). The water in the tubes boils to produce steam, which powers a 10 hp engine at the base of the dish which drives the pump, after which the steam is condensed and recycled. The mirror is mounted on an altazimuth mount, and after being pointed at the sun in the morning a drive system turns the mirror slowly to track sun across the sky all day. The engine requires about an hour to build up a 150 psi head of steam.
Information from Ray Stannard Baker (1903) Boys' Second Book of Inventions, McClure, Phillips Co, p. 153-172, has additional pictures.
Date 1895
Source Google Books - (1901). "Harnessing The Sun". The World's Work: p. 601. New York: Doubleday, Page, and Company.
Author Unknown authorUnknown author
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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:1901_solar_motor.jpg

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current17:16, 13 July 2008Thumbnail for version as of 17:16, 13 July 2008878 × 912 (134 KB)Struthious Bandersnatch{{Information |Description=1901 photo of a "solar motor". |Source=Google Books - {{cite journal | title = Harnessing The Sun | journal = The World's Work | publisher = Doubleday, Page, and Company | location = New York | page = p. 601 | date

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