Importance: Direct and Secondary
The spinning wheel increased the productivity of thread making by a factor of greater than 10. Medieval historian Lynn White credited the spinning wheel with increasing the supply of rags, which led to cheap paper, which was a factor in the development of printing.
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Famous quotes containing the words direct and/or secondary:
“No direct hit to smash the shatter-proof
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Clean in the eye of one who stands transfixed
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“The prime purpose of being four is to enjoy being fourof secondary importance is to prepare for being five.”
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