{ « ) 
3. An Experiment with the Rod that was pointed 
at but one of its Ends. When the Tube is applied 
to the other End of the Rod, the Point gives the 
fame Appearance and alike Effed with the Rods, 
that are “pointed at each End. 5 but the great End 
of the Rod, when the Hand or Cheek is applied 
near it, gives but one tingle Snap ; but this is 
much louder than the greateft of thofe from the 
Point of the Rod, and one feels a little more 
Pain by it. 
4, I caufed an Iron Ball to be forged, and then 
turned and burniflied ; ’twas two Inches Diameter, 
which being placed on a wooden Stand, that had a* 
fmall Concave at the Top, in which the Ball was 
placed ; the Stand being fet upon a Cylindrick Glafs* 
then the excited Tube being applied near the Ball, 
there proceeded a Stream of Light from it, with a 
Email hiding Noife j then putting my Finger or Cheek 
near the Ball, there was no Snapping, nor any Pain 
felt, yet there appeared a very bright Light. 
5. The Rod of four Feet long, being placed upon 
a Stand, that had a crofs Arm with a Groove in it to 
receive the Rod ; then the Stand being placed on the 
Giafs Cylinder, they were fet at fuch a Diftance, as 
that one of the Points of the Rod might juft touch 
the Ball over againft its Centre ; then going to the 
other End of the Rod with the prepared Tube, and 
applying it as ufual, when I came to the Ball, the 
Hand or Cheek being near it, caufed a loud Snap, 
compared to thofe made by the Points of the Rods, 
and the Pain of pricking or burning was more ftrong- 
ly felt, the Light alfo was brighter and more con- 
traded ; I then placed the Rod with its Point at an 
