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Report on steam boilers and on engines that have been indicated, showing the consumption of fuel per horse-power per hour, inclusive of use of steam, for various purposes, irrespective of engine power, unless otherwise expressed

Association for the Prevention of Steam Boiler Explosions

出版	association, 1859
URL	http://books.google.com.hk/books?id=IWuZzwEACAAJ&hl=&source=gbs_api