000 00566nam a22001577a 4500
999 _c2186
_d2186
008 200215b ||||| |||| 00| 0 eng d
082 0 0 _a621.38
_bU843
110 _91773
_aUnited States Coast Guard Treasury Department.
245 1 0 _aElectronic navigational aids; loran, radiobeacon, and radarbeacon systems and loran, radio-direction-finder, and radar ship equipment
_cby United States Coast Guard Treasury Department
250 _a1st
260 _aUnited States
_bGovt. Printing Office
_c1949
300 _a73p.
365 _d2.08
650 0 _aRadar
942 _cBK