A practical treatise on weaving and designing of textile fabrics : with chapters on the principles of construction of the loom, calculations, and colour (1885)
Ashenhurst, Thos. R. (Thomas R.) · Huddersfield, [Eng.] : J. Broadbent · leaf 92
d occur in the movement of the heald at one extremity of its stroke, while a considerable loss would occur at the other extremity when the rod was furthest removed from the perpendicular position, and consequently the eccentric form of the tappet would be somewhat neutralised. Another matter… … interfering with the appearance of the fabric, therefore the tappet must be so formed and of such dimensions that the friction roller is always in contact with it and running smoothly upon it. The question of warp spreading will be more fully dealt with in a subsequent portion of this work. In this…
