File:Bulletin (1910) (14769540261).jpg

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Description
English:

Identifier: bulletin197unit (find matches)
Title: Bulletin
Year: 1910 (1910s)
Authors: United States. Bureau of Mines
Subjects: Mines and mineral resources Mines and mineral resources Mining engineering
Publisher: Washington U.S. Govt. Print. Off. (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

View Book Page: Book Viewer
About This Book: Catalog Entry
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BUREAU OF MINES BULLETIN 197 PLATE VIII
Text Appearing After Image:
APPARATUS FOR FRACTIONATION OF NATURAL GAS AT LOW TEMPERA-TURES AND PRESSURES ANALYSIS OF MINE ATMOSPHERES 75 The other model, the short or portable type, in employed for theanalysis of gas mixtures when extreme accuracy is not required. Itsaccuracy is about 0.2 to 0.3 per cent and is comparable with thatusually obtained in technical gas analysis when water is employedas the confining fluid. Both instruments depend upon the sameprinciple. The short model is constructed witli a view to portability,When in position it is upright, about 10 cm. in diameter and 50 cm.high, and weighs about 11 pounds. DESCRIPTIOIvr OF LABORATORY TYPE Figure 25 illustrates the principle of operation of the laboratorytype. The pencil of parallel rays which comes from the light of aXernst lamp passes through the object glass of the collimator c andtravels in three parts to the observation telescope d. The upper <^^

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https://www.flickr.com/photos/internetarchivebookimages/14769540261/

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
197
Flickr tags
InfoField
  • bookid:bulletin197unit
  • bookyear:1910
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:United_States__Bureau_of_Mines
  • booksubject:Mines_and_mineral_resources
  • booksubject:Mining_engineering
  • bookpublisher:Washington_U_S__Govt__Print__Off___etc__
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:93
  • bookcollection:gerstein
  • bookcollection:toronto
Flickr posted date
InfoField
29 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14769540261. It was reviewed on 5 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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