Phil. Mag. Ser. 6, Vol. 13, PI. XII. 



ft. _ 



si 



i 



P 



O 



! 



Nos. of 

 Figures in Col. 2. 



^.fo-Co,., 







1 



Nos. of 

 Figures in Col. 1. 



Loads &c. for Col. 1. 



Load -002 of String, 



Load '004 of String. 



