type-bar printer

type-bar printer

[′tīp ‚bär ′print·ər]
(graphic arts)
A serial printer in which two characters are mounted on a type bar, as in some electric typewriters and early teletypewriters, and desired characters are printed one at a time.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.