GEOGRAPHICAL POSITIONS OF THE MAGNETIC STATION'S. 



Table of GeograpJdcal Positions 



Taken from special observations; 11. F. Waiting's large map of Pennsylvania; 



J. H. French's large map of New York; the U. S. Coast Surve) ; and from Rail- 

 road and Canal map of Pennsylvania, Tanner, 1834, and other sources. 



Tour of 1840, through Southern Pennsylvania, and | 



Pa. 



tt 



Philadelphia, Girard College, 



Readiui;', 



Harrisburg, 



Duncan's Island, 



Lewistown, 



Huntingdon, 



Armagh, 



Economy 



Homewood, near Pittsburg, 



Steubenville, Ohio 



Wheeling, ^ A - 



Johnson's Tavern, near Brownsville, Pa. 



Frostburgh, Md. 



Irwin's Mill, near Mercersburg, Pa. 



Baltimore, Md. 



French town, 



art of Ohio, Virginia, and Man land. 



Longitude. 



T5 in' a 

 75 



Latitude. 



39° 58'.4 

 19 

 16 

 25 

 35 

 30.5 

 '2 '.I 

 37 



40 

 40 

 40 

 40 

 40 

 40 

 40 

 40 

 40 

 40 

 39 

 39 

 39 

 39 

 39 



28 

 25 



(IS 



59.5 



41 

 47 

 1T.S 

 35 



76 



77 

 77 

 7S 

 79 

 so 

 79 



55 



53 

 (II 

 36 



04 

 16 



59 ."■ 



so 39 

 so 42 



79 



78 

 77 

 76 



75 



47.8 



56 



56 



36.6 



51 



Tour of 1841, through Northern Pennsylvania, and pari of Ohio and New Fork. 



Latitude I gltude 



40° 18' 75° Id' 



III 



41 



II 

 40 



*40 



41 



41 



41 



11 



*42 



*42 



*42 



42 

 14 

 14.0 

 55 

 57.7 

 16 

 13 8 

 17 

 5 1 



07.5 

 2'.' :: 

 is 1 



75 



!77 

 77 



ITS 



7 '.I 

 so 



so 



<0 



f-80 



17 9 

 17s 



( 



15 

 58 

 02 

 49 

 36 

 36 

 16 

 5o 

 47 

 in; 



2:: 

 1 1 



