在王祯《农书》中，除了对手摇和脚踏纺车作了全面总结外，更介绍了另二种新的纺车，这就是大纺车和水转大纺车。大纺车，它不同于旧的纺车，特点是：纺纱的锭子更多，达三十二枚，生产力显著增加。一般的单锭纺车，一天只能纺二到五两纱，三锭也不过七到八两，这是指棉。纺麻，用五个锭子也不超过二斤。大纺车是纺麻的，一天一夜可以纺一百斤。
他大胆地走到公主面前，她正坐在一颗像纺车那么大的珍珠上。
On he went boldly up to the Princess, who was sitting on a pearl as large as a spinning-wheel.
她推开门进入房间，在房间中间，一个老女人在用纺车做事情，她后面有一个大床。
She pushed the door open and went into the room. There, in the middle, sat an old woman working at a spinning wheel. Behind her was an enormous bed.
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