A Norwegian, Johann Waaler invents the paperclip. Offset Printing Ira Rubel, in NY, invents offset printing - a process in which the image is transferred from the inked plate onto an intermediate rubber surface before being rolled onto paper. Facsimile Transmission Five years after the technique had been invented in Germany - the first photograph is sent by facsimile transmission from Paris to London. 1926 Mechanical Television System John Logie Baird uses Nipkow discs to demonstrate a mechanical television system to members of the Royal Inst.
Film stock is invented that can simultaneously record both image and sound.
1938 Photocopy Chester Carlson duplicates the first, blurred photocopy image. 1939 Photocomposition Machine American, Willaim Heubner devises a photocomposition machine that projects characters onto film at the tap of a key. Pen Ball point pen invented by Hungarian journalist Lazlo Biro. In 1953 French firm Bic developed mass production process. The British mathemitician Alan Turing's Colossus is proclaimed as the first computer used to decode enemy messages.