Medieval Technology? The Middle Ages invented, among other things, the crank, the horse collar, eyeglasses, the flying buttress, the stirrup, the windmill, the wheelbarrow, printing, firearms, paper, the canal lock, the compass, the rudder, the mechanical clock, the spinning wheel, and the treadle.

- Joseph and Frances Gies
Direct Link Image Joseph and Frances Gies Random 18052/22633