1894.] on the Splash of a Drop and Allied Phenomena. 



291 



under side of this lever and another wire crossing the first at right 

 angles. This action breaks an electric current which has traversed 

 a second electromagnet F (Fig. 2), and releases the iron armature N 



Fig. 1. 



of the lever N P, pivoted at P, thus enabling a strong spiral spring G 

 to lift a stout brass wire L out of mercury, and to break at the surface 

 of the mercury a strong current that has circulated round the primary 



circuit of a Euhmkorff 's induction coil 



this produces at the surface 

 x 2 



