OBSERVATIONS OF THE MAGNETIC FORCE. 
317 
Table XLV1II. General Table of the Observations of the Magnetic Force. 
Station. 
Lat. 
Long. 
Observer. 
Magnetic force. 
Relative scale. 
Toronto = 1-836. 
In absolut 
Horizontal. 
e measure. 
Total. 
Between the latitudes of 38° and 40°. 
St. Louis 
38 38 
269 56 
Locke. 
1-790 
13-55 
New Harmony 
38 11 
272 12 
Locke. 
1-778 
13-46 
Mount Vernon 
37 59 
272 13 
Locke. 
1-779 
13-47 
Princeton 
38 23 
272 30 
Locke. 
1-781 
13-48 
Vincennes 
38 43 
272 35 
Locke. 
1-792 
13-56 
Paoli 
38 05 
273 25 
Locke. 
1-775 
13-44 
Louisville 
38 03 
274 30 
Locke. 
1-788 
13-53 
Richmond 
39 49 
275 13 
Locke. 
1-799 
13-61 
Frankfort 
38 14 
275 20 
Locke. 
1-774 
13-43 
Oxford 
39 30 
275 22 
Locke. 
1-805 
13-66 
Hamilton 
39 23 
275 28 
Locke. 
1-801 
13-63 
Williamstown 
38 36 
275 38 
Locke. 
1-783 
13-50 
Cincinnati 
39 06 
275 38 
Locke. 
1-795 
13-59 
Dayton 
39 44 
275 43 
Locke. 
1-797 
13-60 
Clay’s Ferry 
37 54 
275 42 
Locke. 
1-775 
13-43 
Lexington 
38 06 
275 42 
Locke. 
1-769 
13-38 
Mason 
39 22 
275 47 
Locke. 
1-793 
13-57 1 
Carrolton 
39 38 
275 51 
Locke. 
1-800 
13-62 
Lebanon 
39 26 
275 54 
Locke. 
1-797 
13-60 | 
Springfield 
39 54 
276 09 
Locke. 
1-791 
13-55 
Columbus 
39 57 
276 57 
Locke. 
1-788 
13-53 
Marietta Island 
39 25 
278 32 
Locke. 
1-800 
13-62 
Near Maiietta Island. . . . 
? 
? 
Locke. 
1-795 
13-58 
Chambersburg 
39 55 
282 20 
Locke. 
1-788 
13-53 j 
Mount St. Mary’s 
39 41 
282 42 
Locke. 
1-790 
13-55 
Mount Vernon 
38 41 
282 53 
Locke. 
1-782 
13-49 
Georgetown 
38 53 
282 57 
Locke. 
1-768 
13-38 
Washington 
38 53 
282 59 
Locke. 
1-773* 
13-42 
Washington 
38 53 
282 59 
Lefroy. 
1-772* 
13-41 
Washington 
38 54 
282 59 
Locke. 
1-800 f- 
13-62 
Washington 
38 54 
282 59 
Lefroy. 
1 798t 
13-61 
Baltimore 
39 17 
283 22 
Locke. 
1-779 
13-47 
Baltimore 
39 17 
283 23 
Locke. 
1-784 
13-50 
Baltimore 
39 17 
283 23 
Lefroy. 
1-782 
13-49 
Philadelphia 
39 58 
284 50 
Locke. 
1-784| 
13-50 
Philadelphia 
39 58 
284 50 
Lefroy. 
1-793 + 
13-57 
Philadelphia 
39 58 
284 50 
Lefroy. 
4-1761 
13-50 
Between the latitudes of 40° and 45°. 
Prairie du Chien 
43 01 
268 51 
Locke. 
1-828 
13-83 
Brown’s Settlement .... 
42 02 
268 54 
Locke. 
1-818 
13-76 
Mahoqueta River 
42 14 
269 03 
Locke. 
1-818 
13-76 
North branch of ditto . . 
42 23 
269 08 
Locke. 
1-811 
13-71 
Turkey River. 
42 42 
269 12 
Locke. 
1-811 
13-71 
Iron Ore Bed 
41 55 
269 20 
Locke. 
l-849§ 
13-99 
W’hite Water River .... 
42 18 
269 22 
Locke. 
1-824 
13-80 
* Grounds of the Capitol. 
f Magnetic Observatory. 'The Inclinations observed at the Magnetic Observatory and in the grounds of the 
Capitol, differ also about one-third of a degree ; the results at the observatory are omitted in the map. 
+ Magnetic Observatory. § Local influence ; omitted in the map. 
MDCCCXLVI. 2 T 
