The increase in life expectancy during the 20th century is largely due to improvements in child survival; this increase is associated with reductions in infectious disease mortality, due largely to immunization.1 However, infectious diseases remain a major cause of illness, disability, and death.
The First Mowers. The lawn mower was invented in 1830 by Edwin Beard Budding, an engineer from Stroud, Gloucestershire, England. He obtained the idea after seeing a machine in a local cloth mill which used a cutting cylinder (or bladed reel) mounted on a bench to trim cloth to make a smooth finish after weaving.
In 1785, a team of men and boys were sent from New Lanark to Arkwrightâs mill in Cromford, to be trained in their use. The Spinning Mule was invented by Samuel Crompton, and patented in 1779. It was called a mule because it was a cross between a water frame and a spinning jenny.