the washing-machine

1. active voice

2. In 1782, Henry Sidgier obtained a patent for the first washing machine.

3. 1797 - Nathaniel Briggs invented the scrub board, a labor device in which clothes are rubbed energetically by hand.

4. 1843 - John E. Turnbull invented a washing machine with a wringer mechanism.

5. passive voice

6. The washing machine was designed to help housewives.

7. The washing machine was updated by different people.

8. The first washer was patented by James King.

9. The electric washer appeared until 1904.