000 | 00609cam a2200133 4500 | ||
---|---|---|---|
020 | _a1852236795 (pbk.) | ||
100 | 1 | _aDAVIES Arthur E | |
245 | 0 |
_aCelestial navigation: _ba practical guide |
|
260 |
_aMarlborough, Wilts: _bHelmsman Books, _c1992 |
||
300 | _a127p. | ||
520 | _aRecognizing the impact of modern electronic systems, this book looks at the need to provide a reliable back-up in the form of a simple astro capability, relying mainly on sun sights. It utilises the author's own flowcharts and incorporates worked examples at all stages. | ||
650 | _aASTRO CAPABILITY | ||
945 |
_i0003158 _rY _sY |
||
999 |
_c12243 _d12243 |