Documents Typewriters

The Bar-Lock Typewriter, which had a double keyboard, was introduced in 1889. The name of the machine refers to a mechanism that locked the type-bars in position while they…

Technology Rasmus Malling-Hansen, a writing ball, and the evolution of modern typing

© 2015 Nuance Communications, Inc. Al l rights reserved. The evolution of modern text input technology © 2015 Nuance Communications, Inc. All rights reserved. 2 The…