000 00897nam a2200241 i 4500
001 2240547
003 BD-DhUL
005 20150114171638.0
008 811020m19481950uk a b 00000 eng d
022 _a273431803
040 _aBD-DhUL
_cBD-DhUL
082 _a621.385
_bATT
100 1 0 _aAtkinson, J.
245 1 0 _aTelephoney :
_ba detailed exposition of the telephone exchange system of the British Post Office : vol. I, general principles and manual exchange systems.
_cJ. Atkinson.[ A new edition of Telephony harbert & procter]
260 0 _aLondon :
_bPitman,
_c1948-1950.
300 _axii, p. :
_bill. ;
_c25 cm.
365 _aGBP
_b2.15
504 _aIncludes bibliographical references and indexes.
505 0 _av. 1 General principles and manual exchange systems; v.2 Automatic exchange systems.
650 0 _aTelephone stations.
942 _2ddc
_cBK
984 _a2001
_cNS 17632
999 _c31093
_d31093