File:Factory and industrial management (1891) (14780744182).jpg

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English:

Identifier: factoryindustria35newy (find matches)
Title: Factory and industrial management
Year: 1891 (1890s)
Authors:
Subjects: Engineering Factory management Industrial efficiency
Publisher: New York (etc.) McGraw-Hill (etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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About This Book: Catalog Entry
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dvantage of furnishing to its users a respirable, natural atmospherefor an indefinite period, without having recourse to chemical productsdiflicultly procurable, often dangerous to the user, and sometimeslikely to be found spoiled at the moment of need. The Vanginot apparatus consists of three parts:— I.—A battery of air accumulators. 2.—An indicating reducing gauge. 3.—A respiratory mask or helmet. The battery of air accumulators, which is composed of two steelflasks (Figure 11), is charged at a pressure of 150 to 250 kilo-grammes (2,130 to 3,150 pounds per square inch) by means of a com- 14 rill- IINGINEERINC MAGAZINE. pressor coiislructcd spcci.-ill)- for the service. J1ie voluiiie of air lluisstored is sufTicieiit for an hour to an hour and a quarters use. Weshall >ee later ihal an in,L;enions system of refilling permits this supplyto be renewed hy the replacement of the accumulators even in themidst of an irresj)iral)le atmosphere in which tlie wearers may beW(^rkin!j.
Text Appearing After Image:
FIG. 9-10. FRONT AND REAR VIEWS OF THE VANGINOT RESPIRATOR. Tbe view from behind shows the air-accumulator battery, the pressure gauge, and other attachments. The indicating reducing gauge, as its name indicates, lowers thepressure of the air contained in the flasks to an ordinary tension andsupplies the user with a volume of expanded air, which may be fur-ther regulated by means of a so-called regulating valve, supplying agreater or less volume according to respiratory needs. This reducer-recorder is also employed to operate an alarm whistle, warning therescuer of the reduction of pressure and of the approaching exhaus-tion of the compressed-air supply. The moment when this warningshall be given may be regulated at will, but with the ordinary ad- RESCUE APPLIANCES IN FRENCH MINES. 15

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Author Internet Archive Book Images
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Volume
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35
Flickr tags
InfoField
  • bookid:factoryindustria35newy
  • bookyear:1891
  • bookdecade:1890
  • bookcentury:1800
  • booksubject:Engineering
  • booksubject:Factory_management
  • booksubject:Industrial_efficiency
  • bookpublisher:New_York__etc___McGraw_Hill__etc__
  • bookcontributor:Engineering___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:20
  • bookcollection:torontoengineering
  • bookcollection:toronto
Flickr posted date
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30 July 2014
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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14780744182. It was reviewed on 30 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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