Draw frames and fly frames : being a practical treatise on the above machines (1898)
Thornley, T. (Thomas) · Manchester : A. Heywood · leaf 94
he attention of even the most super-ficial observer. We mean the fact that the cones are not 83 of a straight or uniform taper, i.e. they are not right cones,but the top or driving cone is hollow or concave in itslength, whilst the bottom or driven cone, bulges outwards,as it were, towards the… … Fig. 23. The line A B will do either for top or bottom cone,just as its concave or convex side may be outside. Although the necessity for this peculiar configurationhas been repeatedly demonstrated by actual experiment,many practical men have strenuously contended that itwas unnecessary until they…
Textile machinery
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