Latest answers

Latest answers

Saturday, January 24, 2009

209. Son of the autographic printer....

In 1876, Thomas Alva Edison patented something called the autographic printer. In 1891 a gentleman named Samuel O’Reilly improvised on this design and patented the first _____ ___.

In its present form this is a gun shaped machine and it utilizes electromagnetic coils in alternation to move a needle bar up or down to achieve its desired objective.

What?