M A <; N K Tic S I ■ I! \ E V F P E N N S V I. V A X I A . 



15 



Silver Lake, Pa. — Continued. 



Aug. 23 L0 h 50 m A.M. 



V-r.ll, 



Dip, 



No. I 



No. 3 



7:; 45'.2 

 73 33.1 



rem] Falir. : Dip win o la i I d 



66 ii 

 69.0 



15° 43'.5 

 In 23.6 



1 > J 1 » r. I 



t 



. e IoIhI 

 i-ily. 



73° 45'.9 



7;; 12.8 



I 1346 

 L.1539 



Mean 



7:; 111 



1.1442 



Milford, Pa. — Field on west side of creek from town. 



Ann-. 26 



Time. 



5" P. M. 

 6 " 



Cylinder 

 Bar 



Temp. Fain- No. of series. x.i of 



vibrations, 



62°. 7 



6 2. 2 



:ixo 

 500 



Time of 

 In vibi 



36\587 



38.738 



lDtPD«ltV 



i 



3f;".5s2 0.9039 

 38.738 0.9054 



Mean 



0.9046 



Bushkill, Pa — Near the Delaware and Bushkill Creek, 21 miles by river road from Milford 

 and 13 from Water Gap. 



