Before the invention of a washing machine life was miserable washing clothes for long hours. Women used to get fatigue so early in the summer season.
Nathaniel Briggs invented mechanical washing machine called as washing board in 1797.
Washing board is a tool designed for hand washing clothing. It is also used like a musical instrument by the end of 20th century.
In the mid of 19th century(1850’s) stream driven washing machine were introduced in the market.
In 1858 Hamilton Smith got patent on rotary washing machine.
After 1930’s hit and miss gasoline engine was developed. It is basically a four stroke internal combustion engine.
bluewavessite 
Leave a comment