Minutes of Proceedings of the Institution of Civil Engineers Volume 44 pdf

Minutes of Proceedings of the Institution of Civil Engineers Volume 44 pdf

Minutes of Proceedings of the Institution of Civil Engineers Volume 44 by Institution Of Civil Engineers

Minutes of Proceedings of the Institution of Civil Engineers Volume 44
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Author: Institution Of Civil Engineers
Page Count: 134 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: PDF
ISBN: 9781130152517
Download Link: Minutes of Proceedings of the Institution of Civil Engineers Volume 44
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876 Excerpt: ... chimney placed over the flame. If a long chimney was put on, which favoured the richer gas and deteriorated the poorer, it would give the benefit to the richer gas; but by putting a chimney suitable to both kinds, the illuminating power of the burner could be made exactly the same, whether 12-or 35-candle gas. Dr. Pole mentioned that, ac cording to law, official testing must be made with 5 cubic feet of gas; but it was known that for a long time that had not been complied with. In the case of Birmingham, in particular, if the gas was over fourteen candles, it used to flare over the chimney, and it therefore became necessary to reduce the quantity; and soalso in many other places. In London it was not so done, because the Gas Referees had made a provision to avoid it. They said that when the gas was so rich that it tailed over the top of the chimney, a still longer chimney should be put on. If that was done ia London, it was just as easy to do it in other places, as Birmingham, where the burners would not consume the proper quantity of gas. His proposition was to provide one standard burner for all qualities of gas, by which means all difficulty was avoided, simply by reducing the quantity of gas used in accordance with its richness; and so correctly and proportionately to estimate the quality of the gas burned. With respect to the radiometer, there appeared to be some difficulty in its application to gas photometrical purposes. It certainly went round fastest with the hottest burner; and it would go round as fast with a heated poker as it would with the burner. No doubt the movement was as much affected by heat as by light; but with one standard burner and one height of flame, if the radiometer was placed at a sufficient distance, that difficulty might be ...

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