192 



REP OUT ON 



Coefficients of the Deviations of the After Binnacle. 



STATION. 



DATE. 



21 



03 



e 



© 



a 



Hampton Roads . 



November I, 1865 



O.OIO 



4- 0.127 



— 0.023 



4- 0.037 



— O.OOI 



St. Thomas 







November 18, 1S65 



O.OIO 











Bahia 









December 30, 1865 



O.OIO 



4- 0. IOO 



— 0.003 



4- o-°34 



4- 0.002 



Monte Video . 









January 24, i860 



O.OIO 



-J- 0.096 



,-)- O.OII 



4- o-°39 



— - 0.012 



Sandy Point . 









February 10, i86j 



O.OIO 



-)- 0. IOO 



— 0.005 



4- 0.040 



O.OOI 



Valparaiso . 









April 4, 106 



O.OIO 



-1- 0.070 



4" 0.002 



4- 0.038 



0.000 



Callao . 









April 29, 150 . 



O.OIO 



+ 0.073 



— 0.002 



4- 0.040 



4- 0.002 



Panama . 









May 20, I0O0 



O.OIO 



+ 0.058 



4" 0.006 



4- 0.046 



— 0.005 



Acapulco . 









June 1, iabo 



O.OIO 



+ o-°54 



— 0.006 



4- 0.041 



— 0.006 



San Francisco . 









June 23, i860 



O.OIO 



-[- 0.060 



— 0.040 



4- 0.032 



0.000 



Means 



4- 0.038 



— 0.002 



Coefficients of the Deviations of the After Ritchie Compass. 



STATION. 



DATE. 



% 



23 



• s 



£5 



■ .<£ 



Hampton Roads . . . 



November 1, 1865 



0.000 



4- 0.200 



— 0.030 



4- 0.024 



— 0.022 



St. Thomas . 







November 18, 1865 



0.000 



4- 0.148 



4" 0.012 



4- 0.044 



— 0.009 



Bahia . . 









December 30, 1865 



0.000 



+ 0. 121 



— 0.017 



4- 0.042 



4- 0.002 



Monte Video 









January 24, 1866 













Sandy Point 









February 10, 1866 



0.000 



4- 0.071 



— 0.060 



4- 0.022 



4- 0.013 



Valparaiso . 









April 4, 1866 



0.000 



4- 0.067 



■4- 0.004 



4- 0043 



4- 0.002 



Callao . . 









April 29, 1866 



0.000 



4- 0.102 



4- 0.004 



4- °-°3 2 



4- 0.016 



Panama . 









May 20, 1866 



0.000 



+ 0.071 



— 0.003 



-f- 0.025 



— 0.027 



Acapulco . 









June 1, 1866 



0.000 



+ 0.078 



-\- 0.021 



4- 0.024 



4- 0.015 



San Francisco 









June 23, 1866 



0.000 



+ 0.118 



— 0.027 



4- 0.050 



4- o-°°3 



Means 



4- 0.034 



O.OOI 







Coefficients of the Deviations of the After Azimuth Compass. 



STATION. 



DATE. 



2( 



23 



e 



© 



<g 



Hampton Roads . . . 



November 1, 1865 



0.000 



— 0.085 



— 0.003 



4- 0. 101 



4- 0.005 



St. Thomas . 







November 18, 1865 



0.000 



— 0.053 



+ 0.023 



-j- 0.120 



4- 0.002 



Bahia . . 









December 30, 1865 



0.000 



— 0.078 



— 0.006 



4-0.132 



— 0.019 



Monte Video 









January "24, 1866 













Sandy Point 









February 10, 1866 



0.000 



— 0.052 



— 0.014 



4- 0.126 



— 0.007 



Valparaiso . 









April 4, 1866 



0.000 



— 0.086 



4- 0.006 



4- 0.106 



-\- O.OIO 



Callao . 









April 29, 1866 



0.000 



— 0.035 



— 0.014 



4- 0.090 



4- O.OII 



Panama . 









May 20, 1866 



0.000 



— 0.066 



4- 0.030 



4-0.113 



— 0.012 



Acapulco . 









June I, 1866 



0.000 



— 0.060 



0.000 



4-0.105 



4- 0.007 



San Francisco 







June 23, 1866 













Means 



4- 0.112 



0.000 



Coefficients of the De 



viations of 



THE FORWA 



rd Alidade 



Compass. 





STATION. 



DATE. 



21 



23 



© 



© 



<g 



Hampton Roads . . . 



November 1, 1865 



— 0.025 



— 0.044 



— 0.032 



4- 0.019 



4- 0.001 



St. Thomas . 







November 18, 1865 



— 0.025 



— O.OIO 



— 0-013 



4- 0.022 



4- 0.006 



Bahia . 









December 30, 1865 



— 0.025 



— 0.002 



O.OIO 



4- 0.022 



4- 0.004 



Monte Video 









Tanuary 24, 1866 



— 0025 



4- 0.016 



— 0.019 



4- 0.024 



— 0.004 



Sandy Point 









February 10, 1866 



— 0.025 



4- 0.017 



— 0.034 



4- 0.031 



— 0.007 



Valparaiso . 









April 4, 1866 



— 0.025 



+ 0.008 



— 0.016 



4- 0.019 



— 0.002 



Callao . . 









April 29, 1866 



— 0.025 



4" O.OI2 



— 0.029 



4- 0.026 



— 0.003 



Panama . 









May 20, 1866 



— 0.025 



O.OOI 



— 0.024 



4- 0.023 



— 0.003 



Acapulco . 









June 1, 1866 



— 0.025 



— 0.026 



— 0.009 



4- 0.033 



4- 0.002 



San Francisco 









June 23, 1866 



— 0.025 



— 0.034 



— 0.041 



-|- 0.017 



4- 0.007 







M 



cans 



4- 0.024 



0.000 



