Christopher Sholes Typewriter
typewriter...Yesturdays computer!!
when
1867
what it is
an electronic,or manual machine with keys for producing print like characters one at a time on paper inserted around a roller
how it works
a sheet of paper is rolled into the typewriter. the typist hits a key, which makes the lever raise, pushing the bar of type against the ink ribbon and on the paper. the pressure of the bar of type pressing through the ink ribbon or carbon tape leaves an imprint on the paper.