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 this post, we will go back in history and explore the evolution of the John Deere steel plow. The First John Deere Steel Plow: 1837 In 1837, John Deere, was a typical blacksmith turning out hay forks, horseshoes, and other essentials for life on the prairie. Then one day, a broken steel sawmill blade gave him an opportunity.