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89 
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01 
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AND THE INTENSITY OF MAGNETICAL FORCE. oot 
declinations, and absolute horizontal intensities, and the variations of both. It will con- 
sequently, enable you to make the term observations of declination and horizontal 
intensity at Cincinnati; as well as to make the absolute determinations which you wish. 
If you think it will answer your purposes, pray acquaint me how it shall be sent, and 
where addressed. It is quite ready. Of course, you will understand that you will be 
free to publish your observations with it wherever you think best,—precisely as if the 
instrument were your own. 
“Believe me, my dear sir, with much respect, 
“Very sincerely yours, 
“EDWARD SABINE.,” 
Colonel Sabine and the British Association will please accept, through this source, my 
most cordial acknowledgments both for the honour aud favour which they have conferred 
upon me, and especially for the annexed generous and liberal conditions. 
GENERAL SUMMARY.—VII. SERIES, 1844, CINCINNATI TO 'TORONTO, &e. 
Horizontal] Total inte nsity a 
Date. Place. Latitude. | Longitude. | Dip. Intensity.|Hor. being 1000. 
Match21,\Cincinnati, - - - - | 39° 06’ | 84° 22’ '70°28" 997.79) 1000.23. /That on July 4,1844, being 1000. 
July 4, |Cincinnati, - - = - “ 6 70 25 1000.00} 1000.00 
March 24,/Wheeling, Virginia, - | 40 08 | 80 47 (72 1920") 916.69} 1012.90 
“  26,/Cumberland, Maryland, 71 8600 | 939.03) 996.75 
April 6, (Washington, - - - | 38 58 | 77 O01 /71 3920] 941.41) 1002.58 [At the Magnetical Observatory. 
“8, ig vs “ “ 71 3448 | 940.72) 997.76 |At old Depot, near Georgetown. 
Fe Ds Ly Os 71 13 23 | 948.28) 988.22 |West side of the Capitol. 
Vs My sh 71 1327 | 948.45} 987.72 |Hast side of the Capitol. 
thaoeO, 4 e 71 1458 | 948,88) 984.21 |Near the Patent Office. 
ae ae “ ee 71 20 30 | 947.81| 993.00 (Near the War Office. 
“ 10,Georgetown, - ~ - | 38 53 |77 03 |71 1900} 941,27) 984.88 
« J1,Mount Vernon,- - - | 88 41 |77 07. |70 5530 | 968.49) 993.30 |Near Washington’s tomb. 
“ 19,|Philadelphia, - - - 89 57° |75 10 (71 5915 | 915.05) 991.84 
May 23,/Princeton, New Jersey, | 40 22 | 74 89 |72 4015 | 883.30} 993.96 |Usual station. 
sew eta 6 72 41 25 | 883.51} 994,82 |Potts’s Woods. 
24, t s 40 22 |74 89 |72 4115 | 879.52) 990.53 “ “i 
“24, 2 x 40 23 | 74 89 /72 3500 | 890.53} 997.82 {Rocky hill. Trappean. 
«“ 24,.New Brunswick, - - |40 30 | 74 25 |724313 | 881.45) 994.64 
April 27,,Columbia College, -  - 40 42 74 O1 (724238 |) 881.68) 994.385 
« 26,)Alarlaem,- - =» + - 40 49 74 O01 |72 4140] 881.08; 992.40 
« =29,|Newark, New Jersey, 40 438 |74 10 |72 5015 | 874.08} 992.40  |* Washington Place.”’ 
29 iy Sie 40 43 74 09 |72 4620 | 877.10; 992.61 On the * Neck.’’ 
’ 
June 18,/Poughkeepsie, N. Y.,- | 41 41 | 738 55 |73 5745 | 820.85) 995.89 
«“ 13, Opposite Poughkeepsie, | 41 41 | 738 56 /74 1220) 819.70) 1009.40 
« 14,/Greenbush, New York, | 43 39 | 73 44 (74 4306 | 786.69) 997.79 
“ 23,/Buffalo, New York, - [42 53 | 78 55 /74 3630 | 805.42) 1017.01 
“ 19,/Toronto, Upper Canada, | 438 33 | 79 19 |75 1230 | 778.90) 1022.00 
6c 66 
« 14,/Albany, New York, - |42 389 |73 45 (74 4010 | 787.60) 998.48 | 
« 16,Utica, New York,- - |43 07 |'75 13 /74 4849 | 787.64) 1007.80 
“ 17,|Rochester, New York, |43 08 | 77 51 (74 3848 | 794.79) 1006.14 
“ —18,|/Lockport, New York,- |48 11 |78 46 |74 44121) 991.33) 1007.82 | 
Woods 14 miles E.of Observat’y.| 
oa, « |79 20 175 1322] 778.44) 1022.95  |Observatory. 
“ 24,/\Ashtabula, Ohio, - - | 41 52 | 80 52 |73 2503 859.97, 1033.55 [Close to the lake. 
a 25,|Warren, ee ee 41 16 80 55 |72 55 52 | 880.63) 1005.60 
“26, Wellsville. - - - - |40 38 | 80 44 172 3520 892.66, 999.91 [Ohio river. 
VOL. IX.—-86 
