Patents for Inventions; Abridgments of Specifications Class Volume 2-3

Patents for Inventions; Abridgments of Specifications Class Volume 2-3

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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. 1871 edition. Excerpt: ...with very strong card fillet or with spikes or teeth, the cotton or other fibrous materials, which usually consist of the ends of cops, or of pieces of fabric, or of shoddy, or of a mixture thereof, is fed into the machine, and after being opened, carded, and cleaned by the working rollers, "is delivered by a doffer, as in other carding "engines, thereby effecting a considerable saving in the manu"facture of waste, or in opening, carding, and cleaning cotton and "other fibrous materials for paper makers or other purposes." Printed, 6d. Drawings. A.D. 1859, December 23.--N 2927. PENNEY, Henry.--(Provisional protection only.)--" Improve"ments in the treatment of vegetable fibres for the manufacture "of paper." "I take a quantity of cocoa-nut fibre, tan, twitch grass, and, "other such like vegetable fibrous substances, and pass them "either together or separately through a tearing or separating "machine, commonly known as a 'devil, ' after which I well "boil them. They are then placed in a suitable vessel with a "quantity of concentrated solution of chloride of lime, and "exposed for several hours to the action of the atmosphere, when, "being well stirred, they are reduced to the desired pulp ready "for being converted into paper by the ordinary means." Printed, id. No Drawing. A.D. 1859, December 24.--N 2943. SPILSBURY, Francis Gybbon.--"A certain translucent or "transparent fabric, and for certain applications of the same to "various purposes." A sheet of fine tissue paper, muslin, skin, or perforated cardboard, is dipped in a solution of silicate of soda or potash, usually called " soluble glass," either by itself or mixed...show more

Product details

  • Paperback | 192 pages
  • 189 x 246 x 10mm | 354g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236582799
  • 9781236582799