M A (i N K TIC S D R V E V !■' P E N N S V L V A MA 



Frenchtown, Md.— Frenchtown Landing. Under oak tree, about 200 yards S. E. fro 

 brick tavern. 



Date 



?' 



V 



Time. 



Needle. 



Dip. 



No. 1 

 No. 3 



71° ll'.s 

 71 32.8 



Temp, Fahr. Dtp when loaded. 



83 

 83 



18° 3::'.:; 

 20 37.6 



Dip red 



J 



71° 40'. I 



71 i"l 



loliil 

 Intensity. 



L.1852 

 L.2035 



Mea; 



71 40.2 



L.1943 



Cumulus and cirro-cumulus, wind S E. 



Girard College, Philadelphia. 



Dip. 



Oct, 28 



11 11 



Noon 



No. 1 



No. 3 



72° Ol'.S 



71 47.4 



Temp. Fahr. 



52° 



50 



Dip when loaded. Dip reduced. 



6 <f 



old weight 



+ 1° 28'.9 



hpw weight 



J 7 15.3 



old weight 



+ 2 37.2 



ii. '\\ weight 



V.) 23.0 



71° 57'. 4 



7! 54.7 



Mean . 



71 56.0 



N. B. Old weights in third hole ; new or pin weights in third hole. 



Time. 



Nov. 3 ' 2 h P. M. Cylinder 

 " " " " Bar 



Temp. Fahr. 



No. of 



54° 

 54 



No. of 

 vibrations. 



350 

 340 



Time of 

 lo ribrations. 



34". 630 

 36.815 



34'. 641 

 36.841 



Probably end of August. 



1 1 > 



1.0606 

 1.1701 

 1.0680 

 1.1886 



1.0643 



1.17:)3 



Con 'd. Horia i 



intensity. 



1.000(1 



1.0000 



