GENERAL KNOWLEDGE

Detailed explanation-1: -A designer named Elie Ahovi has come up with a concept washing machine that levitates your clothes and uses dry ice to wash them without using water. It’s called the “Orbit", and was put together for the Electrolux Design Lab.

Detailed explanation-2: -James King in 1851 created the first washing machine to use a drum, Hamilton Smith in 1858 patented a rotary version, and in 1868 Thomas Bradford, a British inventor, created a commercially successful machine that resembles the modern device.

Detailed explanation-3: -Introduced in 1908 by the Hurley Machine Company of Chicago, Illinois, the Thor washing machine was invented Alva J. Fisher. The Thor was a drum type washing machine with a galvanized tub and an electric motor. A patent was issued on August 9th 1910.

Detailed explanation-4: -A washing machine invented in France in the early 1800s was called the ventilator. The device consisted of a barrel-shaped metal drum with holes that was turned by hand over a fire. One of the first African-American inventors of note in the 19th century, George T. Sampson, received a patent for a clothes dryer in 1892.