Taggart, William Scott · London : George Routledge & Sons, Ltd. · leaf 59
self-acting mule has to travel 5 ft. outwards and5 ft. back, and does this, say, four times per minute, ordinarycams or crank motions are impracticable, so an ingeniousdriving arrangement is adopted. Bands or ropes are attachedto the square or centre piece of the carriage and to drums orpulleys;… … Fj<5.59. travel at an equal speed throughout its journeys, and it wouldstart suddenly and finish abruptly, both effects being damagingto the machine and to the delicate yarn being spun. The
Textile machinery
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