00742cam a22002411 4500 9294449 20191010095649.0 770913m19489999xx 000 0 eng 49017480 (hbk.) (OCoLC)3260939 DLC OC DLC TK6161 .H572 621.385 ATK Herbert, Thomas Ernest. Telephony : a detailed exposition of the telephone exchange systems of the British post office / by J. Atkinson. London, I. Pitman, 1972 various pages : illus. ; 26 cm. Includes index. Telephone. Telecommunication. Atkinson, James (Engineer), engineer. 65732 65729 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 179 2018-12-05 2018-12-05 BK 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 180 2018-12-05 2018-12-05 BK 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 184 2018-12-05 2018-12-05 BK 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 186 2018-12-05 2018-12-05 BK 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 187 2018-12-05 2018-12-05 BK 0 0 0 0 QUESTCL BB 2018-12-05 621.385 ATK 188 2018-12-05 2018-12-05 BK