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.
Richard Arkwright is the person credited with being the brains behind the growth of factories. After he patented his spinning frame in 1769, he created the first true factory at Cromford, near Derby. This act was to change Great Britain. Before very long, this factory employed over 300 people.