NAPIER'S DIAGRAM 



33 



NAVSniPfl 12.V» 



N»H no.) 



Of the. 



DcglnissinK|^f (NHS 1104 Dnlfd .M7..4»...l?43 _ ) 



CURVE OF DEVIATIONS 



(Confltructod upon tho Nnpirr Dinpjim.) 



.STANDARD 



u. s. s. . 



Compass Xo JPP. , on board the 



Date of observations .....^.)iXzAj- , l^i^J 



Compaas eouraaa on dottad llnaa. 



lai 37^0-..N. 



long 76°15'..W.. 



INacnatIo oouraea 



FROM 0° NORTH TO IBO" SOUTH 

 DEVIATION •.. ^ DEVIATION 



FROM 180° SOUTH TO 360° NORTH 

 DEVIATION '•••.. / DEVIATION 



Figure 23. — Napier's diagram — Form NSB 1103. 



