Information Technology Wikipedia
The first screw-down water tap was patented in 1845 by Guest and Chrimes, a brass foundry in Rotherham. A standard reference for the state of mechanical arts through the Renaissance is given within the mining engineering treatise De re metallica , which also accommodates sections on geology, mining and chemistry. De re metallica was the usual chemistry reference for the next one hundred eighty years. Among the water powered mechanical units in use were ore stamping mills, forge hammers, blast bellows, and suction pumps. 1386While medieval technology has been long depicted as a step backward within the …



