eee 7 
XLV. The Electrical Effects produced by the Explosion of 
Hydrogen and Oxygen. By C. E. Hasenroor, late Fellow 
of Hertford College, and the Rev. P. J. Kirxsy, Fellow of 
New College, Oxford *. 
! lage following experiments were undertaken to investigate 
the electrical effects which accompany the explosive 
combination of hydrogen and oxygen ; it having been already 
shown by preliminary experiments that such effects do exist. 
The method adopted was to produce an explosion of the mixed 
gases between two cylinders, of which the inner was a thick 
wire. On establishing a difference of potential between the 
wire and the outer cylinder, a flow of electricity to the wire 
was observed. In order to measure this more accurately, 
the following apparatus was devised :-— 
Hydrogen and oxygen were generated by the electrolysis 
oz pure barium hydrate, kindly supplied by Mr. H. B. Baker, 
in a glass tube A (fig. 1), and were admitted to a vessel B 
Fig. 1. 
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containing phosphorus pentoxide. From this they could be 
passed through a stopcock C, either to a Fleuss pump through 
* Communicated by Prof. J. S. Townsend, F.R.S. 
