01105nam0 2200241 450 00002601220090527124514.020090527d1921----km-y0itay50------bay-------001yy<<A >>practical manual of the compassa 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 gyrocompassprepared with the approval of the Bureau of navigation, Navy departmentAnnapolis, MarylandThe United States naval institute1921173 p.ill.27 cm2001<<A >>practical manual of the compass58971Bussole nautiche623.86321Equipaggiamento e attrezzatura navale. Strumenti nauticiBlue,VictorBureau of navigation, Navy departmentITUNIPARTHENOPE20090527RICAUNIMARC000026012DEP IV-005813418NAVA12009Practical manual of the compass58971UNIPARTHENOPE