Typewriter the first major typewriter with these features. However, older "nonvisible" models continued in production to as late as 1915. A significant innovation was the shift key, introduced with the Remington No. 2 in 1878. This key physically "shifted" either the basket of typebars, in which case the typewriter is described as "basket shift", or the paper-holding carriage, in which case the typewriter is described as "carriage shift". Either mechanism caused a different portion of the typebar to come in contact with the ribbon/platen. The result is that each typebar could type two different characters, cutting the number of keys and
Typewriter panel, a businessman in a three-piece suit, ogling his secretary’s thigh, says, "Miss Higby, are you ready for—ahem!—er—dictation?" Typewritten documents may be examined by forensic document examiners. This is done primarily to determine 1) the make and/or model of the typewriter used to produce a document, or 2) whether or not a particular suspect typewriter might have been used to produce a document. In some situations, an ink or correction ribbon may also be examined. The determination of a make and/or model of typewriter is a 'classification' problem and several systems have been developed for this purpose. These include the