00963nam0 2200265 450 00002486920090323164108.0085174332320090323d1979----km-y0itay50------baengGBaf------001yyMagnetic compass deviation and correctiona manual of the theory of the deviations and mechanical correction of magnetic compasses in shipsby W. Dennerevised by A. N. Cockcroft3rd ed.GlasgowBrown, Son & Ferguson1979XXI, 165 p., [3] c. di tav. ripiegateill.22 cmMagnetic compass deviation and correction43704623.8620NaviDenne,W.633314Cockcroft,A. N.ITUNIPARTHENOPE20090323RICAUNIMARC000024869S 623.86/15S E 776DSA2009Magnetic compass deviation and correction43704UNIPARTHENOPE