000 00493nam a22001577a 4500
999 _c2444
_d2444
008 200303b ||||| |||| 00| 0 eng d
082 0 0 _a623.86
_bO365
100 _92033
_aO'Hara, Walter J.
245 1 0 _aMariner's gyro-navigation manual, for masters, mates, marine engineers and potential ship's officers
_cby Walter J. O'Hara
250 _a1st ed.
260 _aCambridge
_bCornell Maritime
_c1951
300 _axviii,164 p.
365 _d22.08
700 _92034
_aGyro Compass
942 _cBK