The Blacksmith and Wheelwright Volume 45-48 PDF Download

Author: Anonymous
Publisher: Rarebooksclub.com
ISBN: 9781230099859
Category :
Languages : en
Pages : 916

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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ... will be found to give good results when once the proper manipulation of the furnace has been learned. It should be understood at the outset that more constant attention will be necessary, for the reason that soft coal burns more quickly and will not remain incandescent for so long a time as anthracite coal. During the daytime the attendant will have no dimculty in keeping a steady fire if he is careful to feed the furnace frequently; 'to keep the bottom drafts but slightly open, and to give a liberal feed of air through the air inlet in the furnace-door. Owing to the rapidity of combustion of bituminous coal, it will not be possible to bank up the furnace for the night and leave it with a certainty that there will be a live fire remaining in the morning; but this difiiculty can be overcome if a, ton of anthracite is laid in with the Winter's supply of soft coal, and the anthracite used for banking up the fire over-night. A ton of anthracite used only for this purpose should The following is an abstract of a lecture delivered be fore the New York Electrical Society by R. T. Lozier: Nowadays the new shops that are driven entirely by belt transmission are in the minority, and generally operate under conditions of such peculiar nature as to make the belt and shaft system particularly desirable. In fact, this subject has been threshed out to such an extent that we all now recognize the superiority of electric transmission over the entire belt and shafting system. If we turn to Professor Benjamin's exhaustive paper on losses in machine shops, read before the American Society of Mechanical Engineers in December, 1896, we will find that by a series of very thorough tests he determines the losses attributable to the number of pulleys and...