Composition keyboard, c.1913-1931, painted Cambridge blue. The keyboard has two banks of key buttons arranged side by side. The machine consists of various interchangeable assemblies to enable different combinations of typefaces and varying body sizes to be composed in justified lines. Composition Keyboard used by Cambridge University Press c.1913-1931
Composition keyboard, Lanston Monotype Corporation Ltd, Washington DC, USA, 1897; no serial number. A mechanism for perforating a paper ribbon which is used for controlling a composition caster. The keyboard has one bank of key buttons. Other features include a mechanical accumulator made up of a line-length rack, unit wheel, swinging arm and key-operated stops. The widths of characters were added up as they were keyboarded. There is a paper dial on the front of the machine. Composition keyboard, by the Lanston Monotype Corporation Ltd, 1897 1897