2S6 XIPHER— MATTER IX ITS EXPLOSIVE STATE. [April 19. 



from a separately excited 250-volt dynamo. The expansion effects 

 then resulted in forcing the oil out through the sealing wax at the 

 ends of the glass tube. Xo explosive effects were produced. The 

 same experiment was repeated by switching tlie lead wire into a 

 ground line attached to a cit}- power plant, the impressed potential 

 being 600 volts. The results were exactly the same as in the pre- 

 \-iou5 case, so far as explosive effects were concerned. The wire 

 was fused and partly converted into a tine powder. 



