Manual of library bookbinding practical and historical (1911)
Coutts, Henry Thomas, 1881-1916, Stephen, Geo. A. (George Arthur), 1880-1934 · London : Libraco limited · leaf 30
ing, and it will be observed that one con-tinuous thread goes vertically along the whole length ofthe section; diagram B illustrates machine sewing withfour threads. In machine sewing each independent threadis interlooped with itself so as to form a chain stitch—usuallycalled erroneously a…
Bookbinding · Bookbinding -- History
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