A practical treatise on the construction of the power-loom and the art of weaving : all descriptions of texture produced by leaves of heddles : illustrated with diagrams, with calculations and instructions for the production of cotton, woollen, linen, and jute fabrics : intended as a textbook for those engaged in the trade (1887)
Brown, Alex (Alexander) · Dundee : James P. Mathew & Co. ; London : Simpkin, Marshall, & Co. · leaf 52
48 THE PICK. be aceomplished, or resistance to be overcome, within a given time, and in such a manner as will render its action quite smooth and easy. To get at this, then, we have to consider the direction in which this force is applied, its point of contact with the lever, and its magnitude. Fig.… … The direction of the force transmitted by the wiper, ^ — The point of contact of the tappet of the picking wiper with the friction roller on the stud will determine the direction in which the force is conveyed from the former to the latter. This is owing to the end of the lever (as
Looms · Weaving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
