Atkinson, J.
Telephoney : a detailed exposition of the telephone exchange system of the British Post Office : vol. II, Automatic exchange systems / J. Atkinson.[ A new edition of Telephony harbert & procter] - London : Pitman, c1968. - xii, p. 873 : ills. ; 25 cm.
Includes bibliographical references and indexes.
v. 1 General principles and manual exchange systems; v.2 Automatic exchange systems.
273431811
273431803
Telephone stations.
621.385 / ATT
Telephoney : a detailed exposition of the telephone exchange system of the British Post Office : vol. II, Automatic exchange systems / J. Atkinson.[ A new edition of Telephony harbert & procter] - London : Pitman, c1968. - xii, p. 873 : ills. ; 25 cm.
Includes bibliographical references and indexes.
v. 1 General principles and manual exchange systems; v.2 Automatic exchange systems.
273431811
273431803
Telephone stations.
621.385 / ATT