1765年,英国和印度的航海交通已经很发达,在英国就可以买到来自于印度的棉花且价格很便宜,衣服随之也变得很便宜,人们对布料、棉纱的需求量在不断增加,干是许多妇女开始在家里纺纱织布。有一天哈格里夫斯(James Hargreaves)踢倒了老婆的纺纱机,发现倒地后的纱锭仍在轮轴上转个不停,灵机一动便想到用一个轮轴同时去转多个纱锭的方法。于是,以他女儿珍妮命名的“珍妮纺纱机”就这样被发明了。1736年,瓦特改良了蒸汽机。改良后的蒸汽机不仅可以应用在 In 1765, the maritime traffic in Britain and India was well-developed. In the United Kingdom, cotton from India can be bought at a very cheap price. As a result, the clothes have become very cheap, and the demand for fabrics and cotton yarn has been on the rise. Dry is that many women start spinning cloth at home. One day, James Hargreaves kicked his wife’s spinning machine and found that the spindles lying on the ground were still turning round and that the thought of using one wheel axle to rotate more spindles at a time . Thus, “Jenny spinning machine” named after his daughter Jeanne was invented. In 1736, Watts improved the steam engine. The improved steam engine can be applied not only to it