Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 733
eam V V, and the other U is hinged,as shown by dotted lines in Fig. 1851, so as to turn from it, when in descending, it comes against thetop of the upper twisting fingers;—the operation being similar to that of a pair of callipers or bentcompasses used for measuring the diameter of cylinders,… … FRINGE MACHINE, SHAWL. 723 .-£>._..
Mechanical engineering
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