Elijah McCoy
It depends!!!!!!
Though as as odd as you ask, it's the opposite... machines are used by us, so they are the "slaves."
cotten Gin :p
Eli Whitney made the cotton gin and came up with the idea of interchangeable parts. He was most famous for inventing the cotton gin, a machine that separated cotton seeds from the cotton fibers. It was revolutionary because now slaves didn't have to rip up their hands to remove the seeds and it also sped up the process of processing cotton a lot.
cotton gin
Sarah Boone invented the first ironing board. Elijah McCoy invented the portable ironing board, tire tread, and the lawn sprinkler.
It is Elijah McCoy-Rayonna
Elijah McCoy
Elijah McCoy (1843-1929), an African-Canadian inventor.
Elijah McCoy
rain
http://wiki.answers.com/Q/This_person_was_the_child_of_former_slaves_invited_the_irony_board_the_lawn_sprinkler_and_many_otheruseful_things http://wiki.answers.com/Q/This_person_was_the_child_of_former_slaves_invited_the_irony_board_the_lawn_sprinkler_and_many_otheruseful_things
former slaves envision freedom from few former slaves were able to own land
To educate former slaves.
Many former slaves decided to settle in the North in order to be free. There were lots of job opportunities in the North for former slaves.
former slaves
To provide food,clothing,and medical to former slaves