Milligan, John E <br/><br/>
Celestial navigation by H.O.249 

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 - Cambridge  Maritime press  1974 
 - x, 101p.illus.   
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<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>celestial navigation  Navigation  Nautical astronomy  Aeronautical astronomy 
<br/><br/><label>Dewey Class. No.: </label>527(026)