Bulletin Volume 15

Bulletin Volume 15

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Description

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. 1906 edition. Excerpt: ...required for burning the bricks. Cones distributed among the manufacturers show that the temperature at which the cream bricks were burned ranged from cone 05 to cone 3, the melting point of the latter cone being reached in the Milwaukee kilns, and the former at Burlington. An interesting feature in this connection is that even in the same bank the clay in different layers may show a difference in fusibility. At Burlington the yellow top clay becomes viscous at cone 5, while the lower blue clay reaches the same condition at cone 1. This is because the top clay contains less lime. and other fluxes. Uses of the calcareous cream-burning clays. The main use of these clays is, and probably will continue to be for the manufacture of common brick, but many of them lend themselves to the manufacture of dry-pressed brick, and the tests made on them show that they are of very fair strength. In addition the smoother ones work also for the manufacture of drain tile. There is no hope of their being used for paving brick manufacture. On account of their high plasticity it is possible to utilize them in common earthenware manufacture. They could also be utilized to some extent for making art pottery. Experiments made on the more plastic ones show that they can be either turned on a wheel or 'cast, and covered with a majolica glaze. A few as mentioned under slip clays melt to a fair glaze, and there are strong possibilities that careful search may demonstrate the occurence of slips at other localities within the state. Fig. 2. Clay pit of Stevens Point Brick and Construction C0. A pit in residual clay. The overburden is one foot of soil. II. RED AND BR0VVN-BURNING CLAYS. These, while not as widely distributed, represent probably fully as important...show more

Product details

  • Paperback
  • 189 x 246 x 4mm | 145g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236956990
  • 9781236956996