The earliest washing "machine" was the scrub board invented in 1797. American, James King patented the first washing machine to use a drum in 1851, the drum made King's machine resemble a modern machine, however it was still hand powered.
Rotary Washing Machine
In 1858, Hamilton Smith patented the rotary washing machine.
In 1874, William Blackstone of Indiana built a birthday present for his wife. It was a machine which removed and washed away dirt from clothes. The first washing machines designed for convenient use in the home.
The Thor was the first electric-powered washing machine. Introduced in 1908 by the Hurley Machine Company of Chicago, Illinois, the Thor washing machine was invented by 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. View US patent #966677
In the early 1800s, clothes dryers were first being invented in England and France. One common kind of early clothes dryer was the ventilator, the first one known to be built was made by a Frenchman named Pochon. The ventilator was a barrel-shaped metal drum with holes in it. It was turned by hand over a fire.
One early American patent for a clothes dryer was granted to George T. Sampson on June 7, 1892. Sampson's dryer used the heat from a stove to dry clothes and is an example of a ventilator type machine. View U.S. patent #476416
Electrical Clothes Dryers
Electrical clothes dryers appeared around 1915