Commercial bookbinding; a description of the processes and the various machines used (1910)
Stephen, Geo. A. (George Arthur), 1880-1934 · London, W.J. Stonhill and co. · leaf 33
ed two at a time by an ambi-dexterous operator its esti-mated maximum speed iseighty sections per minute.As each hook is sewn the re-quisite length (which may bevaried) of mull or tape isautomatically folded downto provide slips. Fig. 41illustrates the sewing pro- Fig. 38. hold down the section… … Fig. 39.
Bookbinding
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