To what category of romantic literature does "the oval portrait" belong and why?

Poe's The oval portrait is an example of gothic romantic literature. You can tell because of the mystery surrounding the events, for example why is the narrator injured, because it takes place in an abandoned castle of some sort, with tapestries and strange architecture that sets the story out of the contemporary world.

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.