Art of Coppersmithing; A Practical Treatise on Working Sheet Copper Into All Forms

Art of Coppersmithing; A Practical Treatise on Working Sheet Copper Into All Forms

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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. 1911 edition. Excerpt: Take the tube to the fire and dry it; then gradually make it hot all along, and when the solder is all down, run it down the seam on a moderately brisk fire. When cool examine and repair all faulty places, if there are any; clean off the joint and planish on a smooth mandrel as near the size as you have at hand, and then braze on the Fig. 275.--Baroe Or Tanners' Pomp. Fio. 277.--Pump For Pipe Or Bosk Connection. I flanges. Make the head to hold, say, i gallon. A strip of copper 24 inches long and 6 inches wide would make 1 gallon head, but there must be in addition 1 inch to turn in for bolts and y2 inch to turn over the iron ring, making the width, therefore, 7 inches. Cut it out and work it up, and make the spout 2 inches in diameter, flange it, fit it and rivet it on, and then bolt the head to the flange and clean up. The cylinder for this pump is made of gun metal and the clacks are all ground in the pump, as it is used principally for hot work. The next pump, Fig. 275, is used by bargemen, tanners and others to pump liquids from barges and tan pits, wells, cellars, foundations, &c. This pump is somewhat similar to Fig. 269, but is usually furnished with a wooden bucket and leather clack; the bottom clack is also of leather, although it may be, and often is, fitted with brass bucket and clacks when made for brewers. The pump, when complete, is usually 10 feet from bottom to the delivery spout, but they are made whatever size is required, so that any number of men may be used to work them. It will be seen that the cylinder of this pump, in which the bucket or plunger works, is enlarged, and forms part of the pump, and is drawn in small enougJi to suit the suction pipe, which is invariably the same size as the bucket clack, so...
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Product details

  • Paperback
  • 185.42 x 238.76 x 5.08mm | 113.4g
  • English
  • Illustrations, black and white
  • 1236870697
  • 9781236870698