146 (#202) ############################################ WOOLLEN AND WORSTED SPINNING frame has had much more brains " put into it than would appear on casual inspection. The two "lugs which represent the thickness of the spindle in the mule, (a) 1. (b) (e) (d) (c) Fig. 47.—The Woollen Spring Frame : various forms of Twist Tubes* the position of the twizzle to get a long drafting length with false twist in it, and the delivery from the twizzle to the drafting rollers are all matters involving much thought; experiment, and selection from many alternatives. * See “ Traité pratique de Filature de la Laine Cardée par Priault and Thomas, 146 3
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