000			00434pam a2200145a 44500
082			_aBTS _bMONO B-872
100			_aPolkinghorn,F A
245	1		_aA SINGLE-SIDEBAND SHORT-WAVE SYSTEM FOR TRANSATLANTIC TELEPHONY
260			_a _b _c1935
300			_a20
500			_aBound With Bts Mono B-849-871, 873-895, Lack No.855,58,63-65,67-69,74,76-80,82-84,86-87,90-91
700			_aSchlaack,N F
964			_gCIRC
997			_aTR17268 C
999			_c400997 _d400997