01022nam0 2200241 450 00002560920190320113001.020090506d1921----km-y0itay50------baengUSa-------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, (MD.)The United States naval institute1921173 p.ill.27 cm<<A >>practical manual of the compass58971Bussole522.710Bureau of Navigation :Navy DepartmentITUNIPARTHENOPE20090506RICAUNIMARC000025609DEP V-014415228NAVA42009Practical manual of the compass58971UNIPARTHENOPE