34 



Results of Makeestoun Obseevations, 1846. 



TABLE LXI. — Means of the Scale Readings of the Bifilar Magnetometer, corrected for Temperature, 



at the Observation Hours, for each Month in 1846. 



Mean Time. 



Jan. 



Feb. 



March. 



April. 



May. 



.June. 



July. 



Aug. 





Oct. 



Nov. 



Dec. 





Gbtt. 



Mak. 



fcsept. 



1 ear. 

 Sc. Div. 



h. 



h. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



18 



17 



549-57 



547-45 



54902 



548-68 



543-22 



540-90 



543-74 



542-03 



543-94 



552-11 



555-58 



559-39 



547-97 



20 



19 



547-59 



547-46 



546-76 



546-10 



540-26 



535-67 



538-65 



536-96 



536-75 



546-21 



553-46 



558-43 



544-52 



22 



21 



544-23 



543-83 



538-30 



533-86 



532-03 



530-90 



53208 



526-15 



528-20 



537-56 



545-74 



555-66 1! 537-38 



23 



22 



542-24 



543-07 



536-20 



531-72 



529-75 



532-04 



532-12 



528-86 



531-94 



536-28 



543-22 



552-56 536-67 







23 



541-96 



543-71 



535-86 



531-36 



5.34-27 



537-17 



536-36 



534-26 



534-15 



537-48 



544-82 



553-94 



538-78 



1 







542-37 



545-36 



539-07 



535-38 



539-37 



542-23 



542-78 



539-35 



542-78 



540-06 



547-45 



554-58 



542-56 



2 



1 



546-14 



546-70 



545-98 



543-19 



549-74 



548-67 



547-38 



547-17 



550-50 



546-84 



550-60 



557-17 



548-34 



4 



3 



546-96 



549-18 



553-02 



553-04 



559-91 



557-77 



564-58 



556-14 



559-57 



554-02 



554-28 



558-95 



1555-62 



6 



5 



548-77 



549-64 



55314 



559-72 



570-52 



564-93 



573-19 



567-43 



560-99 



552-21 559-36 



560-30 56002 



7 



6 



547-17 



548-87 



552-88 



561-72 



565-29 



566-62 



570-56 



566-62 



553-76 



553-74 



560-94 



560-70 55907 



8 



7 



548-96 



550-15 



552-59 



556-87 



566-47 



564-47 



566-62 



562-58 



552-96 



551-77 



558-50 



560-53 



557-71 



10 



9 



547-27 



547-06 



552-71 



550-87 



551-26 



55541 



557-42 



552-17 



542-90 



55108 



553-95 



556-96 



551-59 



TABLE LXII. — Diurnal Variations of the Horizontal Component of Magnetic Force for each 



Month in 1846. 



1 



Mak. 

 M. T. 



.Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



h. 



0-00 



0-00 



0-00 



ooo 



0-00 



0-00 



0-l)0 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



17 



1027 



0591 



1777 



2338 



1818 



1350 



1574 



2144 



2125 



2137 



1669 



0922 



1526 



19 



0760 



0593 



1471 



1990 



1419 



0644 



0887 



1459 



1154 



1341 



1382 



0792 



1061 



21 



0306 



0103 



0329 



0337 



0308 



0000 



0000 



0000 



0000 



0173 



0340 



0418 



0096 



22 



0038 



0000 



0046 



0049 



0000 



0154 



0005 



0366 



0505 



0000 



0000 



0000 



0000 



23 



0000 



0086 



0000 



0000 



0610 



0846 



0578 



1095 



0803 



0162 



0216 



0186 



0285 







0055 



0309 



0433 



0543 



1299 



1530 



1444 



1782 



1968 



0510 



0571 



0273 



0796 



1 



0564 



0490 



1366 



1597 



2699 



2399 



2065 



2838 



3010 



1426 



0996 



0622 



1576 



3 



0675 



0825 



2317 



2927 



4072 



3627 



4387 



4049 



4235 



2395 



1493 



0863 



2558 



5 



0919 



0887 



2333 



3829 



5504 



4594 



5550 



5573 



4427 



2151 



2179 



1045 



3152 



6 



0703 



0783 



2298 



4099 



4798 



4822 



5195 



5463 



3451 



2357 



2392 



1099 



3025 



7 



0945 



0956 



2259 



3444 



4957 



4532 



4663 



4918 



3343 



2091 



2063 



1076 



2840 



' 



0717 



0539 



2275 



2634 



2904 



3309 



3421 



3513 



1984 



1998 



1449 



0594 



2014 



i 



