162 MAGNETIC OBSERVATIONS. 
OBSERVATIONS—Continued. 
RESULTS FOR INDEX ERRORS OF NEEDLES. 
Station. Index error of | Index error of 
dle A. needle B. 
Cambridge Observatory.------- +15 02 + 11 50 
Cambridge Observatory.------- + 10 50 + 8 00 
ambridge Obs t + 14 30 
Albuquerque sssr seee s: سم‎ a + 16 32 + 7 52 
Albuquerque... aa S + 13 42 + 10 02 
تر و سا‎ uo. me جج ہشام‎ 十 19 7 
Di + 6 17 | 
| 
Means + 15 04 十 8 48 
INCLINATION AT CAMBRIDGE OBSERVATORY, MAY 10, 1854. 
o , " 
Needle A. with deflectors TE 42385 10 
Needle E with deflectors 74 39 07 
Needle B, with درو و‎ T4 39 مہ‎ 
Needle wi € deflec TE 34 1 
74 31 00 
Needle A， diet 74 38. 02 
Mean inclination T4: 33 27 
