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101 0 $aeng
102   $aUS
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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   $aAnnapolis, (MD.)$cThe United States naval institute$d1921
215   $a173 p.$cill.$d27 cm
500 10$a<<A >>practical manual of the compass$958971
610 1 $aBussole
676   $a522.7$v10
712 02$aBureau of Navigation :$bNavy Department
801  0$aIT$bUNIPARTHENOPE$c20090506$gRICA$2UNIMARC
912   $a000025609
951   $aDEP V-0144$b15228$cNAVA4$d2009
996   $aPractical manual of the compass$958971
997   $aUNIPARTHENOPE