Engineering Volume 2

Engineering Volume 2

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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. 1866 edition. Excerpt: a stopvalve, so that the steam may be excluded from the superheating boilers at will. Superheating boilers to have a small stop-valve near the top for supplying donkey-pumps. The steam-pipes of the forward main boilers to pass behind the after main boilers. '1 he safety-valves will be placed on the front of the main boilers, near the top, and near the smoke-pipes. Plales.--llach pipe to be made of seven sections vertically of the best quality of charcoal iron. The plates of the first threc sections to be of No. 6 wire gauge, and those of tho four top sections to be of No. 8 wire gauge. '1'he vertical scams to be buttsd with a strip of iron inside, and made very close; rivets to have button heads on the outside. The liorizoiital seams or joints of the sections to be made with neat wrought-iron bands on the outside. Stag/a.--'l'he bands of the first and second joints from the top to have eight lugs for stays. Sixteen stays to be prbvided for each pipe, of suitable length, in links of tin. diameter wrought iron, with proper attachments to deck. The top of the pipe to be encircled with a neat wrought-iron band. Caaing.--The lower part of the pipes, to a height of 7 ft. above the coaniings of the upper hatches, to be surrounded by a casing of plate iron of No. 10 wire gauge thickness. A space of 2 in. to be left between the casing and the pipe. Casing to be perforated at top and bottom with a. row of 2 in. diameter holes. A sloping ca with a projection of 4in., and of neat workmanship, to be p aced above the casing and made water-tight on the i. P p.le)eck-plalesffl' Smoke-pipes.--Vhere the pipes pass through the deck the are to be surrounded with neat cast--iron doc plates in ha ves, and bolted together by flanges beneath. more

Product details

  • Paperback | 956 pages
  • 189 x 246 x 48mm | 1,669g
  • United States
  • English
  • black & white illustrations
  • 1236861469
  • 9781236861467