A Practical Treatise on the Manufacture of Paper in All Its Branches

A Practical Treatise on the Manufacture of Paper in All Its Branches

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 edition. Excerpt: ...3. That the consumers pay for the gelatine in the increased weight of the paper; we conclude that surface-sized paper can be manufactured at about the same cost as pulp-sized paper. SECTION VII. Finishing. 182. Finishing Common Paper.--Paper of inferior qualities, such as news-print, wrapping, &c, is taken from the cutter to the finishing table, and there counted into quires of twenty-five sheets for printing-paper, and of twenty-four sheets for other kinds. The girls who lay the sheets, as they come from the cutter, throw out all the imperfect ones which they may see, and the finisher inspects them again while counting. If the machine-tender is careful, and does not allow bad paper to be cut, and if the cutter-girls and finisher do their duty, this simple system of sorting is sufficient. For the sake of easy handling, the sheets are folded by the finisher in the middle.of their long sides, while he is counting them, into quires of twenty-four or twentyfive sheets. To obtain packages of uniform thickness, these quires should be laid on each other, so that the open sides and the folded or closed ones alternate, or that the position of every quire is the reverse of the preceding one. This is necessary because the quires are thicker where they are folded than at their open sides. Forty quires, or two reams, of light paper, and twenty quires, or one ream, of heavy paper are usually packed together by simply covering them with strong wrapping-paper, tied with hemp or Manilla twine. Such bundles are light enough to be handled by one man; they are easily made and opened, and as they are sold by gross weight, the paper-maker does not lose the packing material, which is, at the same time, of some value to the purchaser. The paper shows a better...show more

Product details

  • Paperback | 186 pages
  • 189 x 246 x 10mm | 340g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236538285
  • 9781236538284