spinning revolution 1750 inventions inventors hargreaves invention oppfinnelser invented 1770 facts description schoolshistory textile tidslinje spinnt 1820 protagonist schoolhistory subsequently
spinning hargreaves improved inventions invented james hargreave psm v39 d306 spining loom flexiquiz baamboozle amt angermund industrialiseringen kommer sagene til
hargreaves spinning jenny james inventor industrial machine 1770 grimshaw england mechanization original reconstruction figure history breaking violence 1750 1850 dawn