File:Pacific service magazine (1918) (14780194871).jpg

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English:

Identifier: pacificservicema1019paci (find matches)
Title: Pacific service magazine
Year: 1912 (1910s)
Authors: Pacific Gas and Electric Company
Subjects: Pacific Gas and Electric Company Electric utilities Electrical engineering Public utilities
Publisher: San Francisco : Pacific Gas and Electric Company
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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Text Appearing Before Image:
(1663) is obscure and the drawings areextinct. It is not clear whether thesuction of a vacuum was used for raisingthe water as well as the direct pressure ofsteam. An engine of two horsepower was inuse at Vauxhall in 1656, and the wells atRaglan Castle contain traces of another,but neither Worcesters efforts nor those 100 Pacific Service Magazine
Text Appearing After Image:
of his widow were successful in assuringthe economical success of his engine.Tliis success was Ieserved for ThomasSavery, who in 1698 obtained a patent fora water-raising engine, as shown in Fig. 4. The Savery steam-actuated pumpingengine consisted of two oval chambers,A, into which steam was admitted andcondensed alternately. The operation was to admit a quantityof steam to one of the chambers, A, thenopen a cock connected to a cold watertank and allow the cold water to flowover the chamber, condensing the steamcontained in the chamber and forminga vacuum, thus drawing or sucking thewater from the sump below through thesuction check valve, D, then admittingsteam to the chamber, forcing the waterout through the check valve, B, on thedelivery pipe. This operation was keptup alternately between the two chambers,giving an almost constant flow of water. It appears that Savery used two boilers,one boiler for furnishing steam to thepump and the other for furnishing waterto the main boiler.

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https://www.flickr.com/photos/internetarchivebookimages/14780194871/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
1918
Flickr tags
InfoField
  • bookid:pacificservicema1019paci
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Pacific_Gas_and_Electric_Company
  • booksubject:Pacific_Gas_and_Electric_Company
  • booksubject:Electric_utilities
  • booksubject:Electrical_engineering
  • booksubject:Public_utilities
  • bookpublisher:San_Francisco___Pacific_Gas_and_Electric_Company
  • bookcontributor:San_Francisco_Public_Library
  • booksponsor:San_Francisco_Public_Library
  • bookleafnumber:123
  • bookcollection:sanfranciscopubliclibrary
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014

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17 September 2015

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