000 00505nam a22001817a 4500
999 _c12781
_d12781
008 250529b 2023 ||||| |||| 00| 0 eng d
020 _a9781849270915
082 _a623.89
_bFRO
100 _aFrost, A.
245 _aPractical navigation for officers of the watch
250 _a2nd ed.
260 _aGlasgow
_bBrown, Son & Ferguson, Ltd.
_c2023
300 _avii, 360p.
650 _aRadar navigation
650 _aThe Celestial Sphere and the Nautical Almanac
650 _aTime
942 _cBK