Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 86
72 FIRST LESSONS IN METAL WOEKING, purities being thus pressed out. The lump of pure iron tlius obtained is passed between strong cylindrical rollers/ which have grooves turned in Fig. 52, A. both, opposite each other as in Fig. 52, and thus drawn out into bars from 3 to 5 inches wide, and … Fig. 52, B. from to thick. These are called "muck- bars," or puddled bars," and are coarse wTought- iron. These bars are cut into short pieces, which are fastened together, reheated, and again rolled out to such sizes and shapes as may be required.
Metal-work
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