OBSERVATIONS OF DEFLECTIONS FOR THE ABSOLUTE HoriIzonTAL INTENSITY, 1845. 133 
Gatti DEFLECTING Bar. DECLINOMETER. BIFILAR. 
a paper : Deflection | ahaa) lass 
Mean Time Unifilar : Log. 
of Distance N. | Tempe- || Observed Reduced Reading. |} °°" rected for || Reading | Ther- 473 tan. wu. 
. to Torsion. Cor- | mome- 
_ Observation. =e .| rature. || Reading. Unifilar ORF pected ee 
° Se. Div. Se. Div. Se. Diy. ) 
40-7 || 6-04 | 6-73 545-5 | 36-0 
39-3 || 616 | 6-87 544.6 | 36-4 
40-5 || 7-12 | 7-93 2 28 11-2 | 547.6 | 37.0 
39-6 || 6-36 | 7-09 544.6 | 36-4 | 
40-0 || 6.04 | 6-73 546-0 | 36.0 | 
39-4 | 6-30 | 7.02 544.4 | 36.4 
40-7 || 7-10 | 7.91 2 14 40:5 | 547.7 | 37.0 
39-7 | 634 | 7.06 544.4 | 36.5 
40.0 || 5-87 | 6-54 545-9 | 36-0 
39.3 || 653 | 7.98 544.7 | 36.3 
40-9 || 7-21 | 8.04 1 57 14-0 | 546.4 | 36.9 
39-7 || 6.28 | 7-00 ‘ 544-2 | 365 
39.9 || 6.00 | 6.69 546-0 | 36-1 | 
39-3 | 637 | 7-10 , || 544-9 | 368 
40-4 || 7-18 0 21 22-6 | 546.0 | 36.9 
39-7 || 6-35 | 7- 543-9 | 36-5 
39-7 || 6-17 | 6 545-3 | 36-1 
39-3 | 656 | 7. 544.6 
40-3 || 7-05 0 20 35:9 | 545.1 | 36.8 
39-7 || 6-47 | 7- 543-8 | 36-6 
39-7 | 636 | 7. 544-6 | 36-1 
39-7 | 6-41 | 7 544-6 
40-0 || 6-95 0 18 140 | 544.6 | 36-7 
39-7 ; 543-5 
Feet. 
= 
5-083 0-45 20220 
= 
0-4524765 
0.45278 22 
el SS} Nel =) tel 
0-4538295 
= 
0-4543491 
0:4554307 
WWONWNWWNNWWWNWwWhRWNWWwWK WI WR 
—_—eo—eae eo eee ea asa ees sea eee ee ea eee sees seas see es 
Shae seh ser ers srs se seususe 
Sf fel oS) el 
—_—_ 
He bo 
Magnet away { 
2 35 25-2 : ‘9 || 0:4509181 
48-0 
40-4 
47-8 : 
40-5 . . 
48-6 4 : C ; 
40-6 o 5 . . 
47-8 h 1 56 50-8 f i 0-4518898 
48-2 = F A 
48-7 . . A 
41-0 a . « . 
47-9 y 5 0-4523740 
48-0 . . 
48-8 : : 
41-0 * : 
48.0 1 10 57-3 y : 0:4527087 
47-9 
48.7 
42.3 
48-0 
47-8 
48.4 
46-0 
48-0 
47-8 
48-5 
46-2 
48-0 
47-9 
0 56 53-4 : ; 0-4533288 
0 46 17-3 ; j 0-4536859 
=| Isl =| fel spe islo Ssh Sh tet Sp ici Sle 
Ce en NN Ne Ce ee ee Oe 
0 38 13-9 : : 0-4546369 
WHOA RWWA RUEWRhWwWWhwWwWwhwww Ph wip DOP 
Sh Sn sesh shen eh shee se eususnen 
(Diff.) 
Se, Div. 
240-68 
240-38 
bo 
Magnet away { 
MAG. AND MET. ozs. 1845. 
i 
