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200 1 $a<<A >>practical manual of the compass$ea short treatise on the errors of the magnetic compass, with the methods employed in the U. S. navy for compensating the deviations, and a description of service instruments, including the gyrocompass$fprepared with the approval of the Bureau of navigation, Navy department
210   $aAnnapolis, Maryland$cThe United States naval institute$d1921
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500 10$a<<A >>practical manual of the compass$958971
610 1 $aBussole nautiche
676   $a623.863$v21$9Equipaggiamento e attrezzatura navale. Strumenti nautici
702  1$aBlue,$bVictor
712 02$aBureau of navigation, Navy department
801  0$aIT$bUNIPARTHENOPE$c20090527$gRICA$2UNIMARC
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951   $aDEP IV-0058$b13418$cNAVA1$d2009
996   $aPractical manual of the compass$958971
997   $aUNIPARTHENOPE