20+ Hamilton Smith Patents Rotary Washing Machine Pics
20+ Hamilton Smith Patents Rotary Washing Machine Pics . The earliest washing machine the scrub board was invented in 1797 and the american james king patented the first washing machine to use a drum in 1851. Invented the first rotary washing machine. First Washing Machine Patent Days To Remember from jdmitchelldesigns.files.wordpress.com Washing machine and combo history. Hotels, hospitals, and other industrial environments have machines that handle high volumes of sheets, towels, and other pieces. In 1858, hamilton smith patented the rotary washing machine.in 1874, william blackstone of indiana built a machine that removed dirt and stains from laundry as a birthday present for his wife. His invention consisted of a drum cage with wooden rods through which water passed through as the cylinder turned. Richard gatling patents the machine gun. In 1874, william blackstone of indiana buil