60 Electrical Phenomena in Houses. 
the thermometer stood at +8°; and on the morning of the 6th 
at +12°. We found the temperature of Mr. Catlin’s parlor 69°, 
and the electricity was more abundant than at our previous visit. _ 
We next attempted to light the gas from a burner which was 
quite cool. We allowed the gas to flow for a time in order to 
be sure that the atmospheric air was allexpelled. Prof. St. John 
then held his finger over the opening, and I took in my hand a 
brass rod terminated with a small pall I skipped across the 
aod AA second trial failed, and evidently for the same reason. 
_. The third time I presented the ball to the burner with more cau- 
_ tion, the spark passed through the gas, and the gas was ignited. 
oT ls | 
also failed; but the third time, after skipping a little more ac- 
ea across the carpet, I succeeded in firing the ether. | 
the preceding experiments? 
1. A low temperature of the 
a carpet. A high temperature 
temperature the better; and in 
Th) Ly 
