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Autor(en): 
  • John A. Church
  • The Heat of the Comstock Mines (Classic Reprint) 
     

    (Buch)
    Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!


    Übersicht
     
    Lieferstatus:   i.d.R. innert 5-10 Tagen versandfertig
    Veröffentlichung:  August 2015  
    Genre:  Naturwissensch., Medizin, Technik 
    ISBN:  9781332135905 
    EAN-Code: 
    9781332135905 
    Verlag:  Forgotten Books 
    Einband:  Kartoniert  
    Sprache:  English  
    Dimensionen:  H 229 mm / B 152 mm / D 2 mm 
    Gewicht:  74 gr 
    Seiten:  44 
    Zus. Info:  23:B&W 6 x 9 in or 229 x 152 mm Perfect Bound on White w/Gloss Lam 
    Bewertung: Titel bewerten / Meinung schreiben
    Inhalt:
    Excerpt from The Heat of the Comstock Mines

    Fortunately for the purposes of this survey, Captain T. G. Taylor, superintendent of the Yellow Jacket mine, has caused observations to be taken for several months on the temperature of the air current in different parts of that mine. By noting the increase of heat and the amount of air ¿owing through the drifts, I have been able to obtain an approximate estimate of the amount of heat drawn from the rock surfaces. It is approximate only, because the records of surface temperatures for several months were accidentally destroyed, and I was compelled to replace them from the careful records taken by Mr. B. Gilman, of the Chollar Potosi mine, which is in Virginia, and has a higher position and a different exposure from the Yellow Jacket. The present calculations are presented merely to show that these observations contain trustworthy evidence that the heat taken up by the air cannot be derived from deep sources, by transmission through the rocks, nor from a magazine of heat lying dormant in the strata.

    About the Publisher

    Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

    This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

      



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