000			00532pam a2200181a 44500
008			160408b1969 xxu||||| |||| 00| 0 eng d
082			_a621.385 _bSm66tt
100			_aSmith, Sydney F.
245	1		_aTELEPHONY AND TELEGRAPHY _cAN INTRODUCTION TO TELEPHONE AND TELEGRAPH INSTRUMENTS AND EXCHANGE
260			_aLondon _bOxford University Pr. _c1969
300			_a285
500			_aIncludes Bibliography
650			_aTelecommunications
650			_aTelephone
650			_aTelegraph
964			_gCIRC
997			_aA14470 s C
999			_c263864 _d263864