title: Human factor assessment of the legibility of five numeric visual displays.
abstract: Experiments have been carried out designed to find on human factor considerations alone, which of five available displays would be most suitable for the next generation of Post Office telephone exchange switchboard.
authors.affiliation: Post Office Research Department, Dollis Hill, London.
authors.forename: B
authors.initials: B
authors.lastname: Copping
authors.forename: V D
authors.initials: VD
authors.lastname: Alexander
authors.forename: J J
authors.initials: JJ
authors.lastname: Hunter