oard, B B, is employed. It is simply a board ranging in thickness from seven eighths inch upwards, according to its length, One of the edges is cut to the conformation of the required core; and all but about three sixteenths of an inch of the thickness of this edge is beveled off at anangle of… … sented by C. The core boxes, being made in halves and loose tion of the arrow, as shown in Fig. 85, in which A repre- at two of the opposite corners, can be drawn away from the sents the tube, B the straw rope, C the loam coating, and D cores, C, leaving them standing, just as they were made, on…
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