Typewriter

A typewriter was a machine used for writing.

History
In the Land of Fiction, the Second Doctor found a typewriter which was automatically typing the events happening to him and his companions. He almost used it to rewrite the story so that he defeated the Master of the Land, but realised in the nick of time that doing so would turn himself into fiction. (TV: The Mind Robber)

In 1941, Jim tried using a typewriter to write a letter to his missing father, despite not knowing how to read or write. Later, the Empty Child used the typewriter to write a message to Nancy. (TV: The Doctor Dances)

In 1943, the Seventh Doctor used a typewriter to forge a letter of authorisation allowing him to investigate a naval base. (TV: The Curse of Fenric)

The Seventh Doctor encouraged Zoe Heriot, who believed that she had dreamed her adventures with the Doctor, to write down all her dreams using a typewriter — telling her that a lot of people were depending on her. Zoe began to do so, beginning with The Dominators - Episode 1. (PROSE: Dream a Little Dream for Me)

Raoul's partner imagined that "lesbian novelist" Iris "[lay] under a pink bedspread, like Barbara Cartland in Camden Town, a poodle either side and a typewriter on her lap". (PROSE: Hospitality)

In 2011, Lionel Carson expressed a dislike for computers, saying that there was nothing wrong with a typewriter. Sky Smith, however, did not know what a typewriter was. (TV: The Man Who Never Was)

The Fifth Doctor claimed that, statistically speaking, if one were to give typewriters to monkeys, they'd eventually produce the works of William Shakespeare. (TV: Mawdryn Undead)

A typewriter became part of the TARDIS control console after the Doctor regenerated into his eleventh incarnation. (TV: The Eleventh Hour)

In 2109, the Seventh Doctor used the keyboard of an old Olivetti typewriter in Smithwood Manor to build a machine to communicate with the entity disrupting the Sol Transit System. (PROSE: Transit)

Insects resembling typewriters with legs inhabited the unnamed planet of the Althosian system. (PROSE: The Pit)

Bernice Summerfield had an antique typewriter in her rooms at St Oscar's University. (PROSE: Ship of Fools)

There was a typewriter in the basement of 11 Cardinal Road. (TV: Knock Knock)