000 00369pam a2200133a 44500
082 _aBTS
_bMONO B-1161
100 _aSeacord,D F
245 1 _aROOM NOISE AT TELEPHONE LOCATIONS
260 _a
_b
_c1939
300 _a7
500 _aBound With Bts Mono B-1140-1160,1162-1175.Lack No- 1141,1147-1148,1150,1155,1163,1170-1171.
964 _gCIRC
997 _aTR17502 C
999 _c401932
_d401932