Telephony
a detailed exposition of the telephone exchange systems of the British post office
Herbert, Thomas Ernest.
creator
Atkinson, James
(Engineer)
engineer.
text
xx
London
I. Pitman
1972
1948
9999
monographic
eng
various pages : illus. ; 26 cm.
by J. Atkinson.
Includes index.
Telephone
Telecommunication
TK6161 .H572
621.385 ATK
(hbk.)
49017480
DLC
770913
20191010095649.0
9294449