00897nam a2200241 i 4500 2240547 BD-DhUL 20150114171638.0 811020m19481950uk a b 00000 eng d 273431803 BD-DhUL BD-DhUL 621.385 ATT Atkinson, J. Telephoney : a detailed exposition of the telephone exchange system of the British Post Office : vol. I, general principles and manual exchange systems. J. Atkinson.[ A new edition of Telephony harbert & procter] London : Pitman, 1948-1950. xii, p. : ill. ; 25 cm. GBP 2.15 Includes bibliographical references and indexes. v. 1 General principles and manual exchange systems; v.2 Automatic exchange systems. Telephone stations. ddc BK 2001 NS 17632 31093 31093 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58702 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A78756 2015-01-14 6 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58703 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A76953 2015-01-14 4 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58704 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT 78764 2015-01-14 14 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58705 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A78761 2015-01-14 11 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58708 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A78762 2015-01-14 12 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58713 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A78760 2015-01-14 10 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 58714 DUSL DUSL GEN 2009-09-14 purchased 621.385 ATT A67933 2015-01-14 10 2015-01-14 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60624 DUSL DUSL GEN 1971-04-16 Purchased 621.385 ATT A78759 2015-01-17 2 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60630 DUSL DUSL GEN 1971-04-16 Purchased 621.385 ATT A78763 2015-01-17 3 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60632 DUSL DUSL GEN 1971-04-16 Purchased 621.385 ATT A76952 2015-01-17 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60633 DUSL DUSL GEN 1971-04-16 Purchased 621.385 ATT A78757 2015-01-17 7 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60636 DUSL DUSL GEN 2015-01-17 Purchased 621.385 ATT A78767 2015-01-17 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60638 DUSL DUSL GEN 2015-01-17 Purchased 621.385 ATT A78771 2015-01-17 11 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60640 DUSL DUSL GEN 2015-01-17 Purchased 621.385 ATT A78766 2015-01-17 6 2015-01-17 BK 0 0 ddc 0 621_385000000000000_ATT 0 NFIC 60642 DUSL DUSL GEN 2015-01-17 Purchased 621.385 ATT A78768 2015-01-17 6 2015-01-17 BK