Transactions of the American Ceramic Society Volume 3

Transactions of the American Ceramic Society Volume 3

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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. 1901 edition. Excerpt: ... white, red and buff. These were put into setters as follows: Three setters of each white, red and buff body; one setter of each body for the three divisions of the kiln. The setters were now put in such tiers and placed in the kiln in such a position as would place the bodies and glaze series as before described, after which the wicket was closed and the firing begun at once. THE FIRING OF THE TRIALS. The trials were burnt under tile-setters similar to those used by the U. S. Encaustic Tile C0., the gaps between setters being well luted. The total length of the burn was approximately 22 hours, which was divided into two periods. The first period was devoted to raising the temperature to cone 04, which covered about twelve hours. The second period was devoted to heat soaking or maturing of the glaze, for which about ten hours was used, during which time the temperature was kept between cones 04-02. To accomplish these conditions as nearly as possible, we used a Chatelier Pyrometer and fired the kiln according to a time temperature curve adopted in advance. The kiln used in these experiments was a down draft kiln, the dimensions of whose ware-chamber were, height 5 feet 9 inches, length 2 feet 7 inches, width 22 inches. The kiln was divided into three parts or zones, upper, middle and lower. The parts were separated more or less by placing fire brick on edge between the setters of the lower and middle parts, and the middle and upper parts. The fuel used was gas coke and coal, just as little coal as possible being used. The firing was done as follows: The fire was started with wood and coal, just enongh of the latter being used, to get a good grate of live fire, after which the gas coke was used, until the point was reached where it more

Product details

  • Paperback | 68 pages
  • 189 x 246 x 4mm | 141g
  • United States
  • English
  • Illustrations, black and white
  • 1236770323
  • 9781236770325