Tomas Edison - misli i dela Tomas Edison - misli i dela | Page 5

ELECTRIC PEN: Preceded by the perforated pen, which punched holes in
telegraphs, this electric pen created a stencil as the user wrote, which could be
used to press ink onto paper and make duplicates.
Da bi nešto izmislio moraš imati dobru maštu i
gomilu otpada.