Variation of capacity due to connecting wire 225 



Bent Wire the same as former except that the touching wire was bent 

 into the shape rTR, the distance rR remaining as before, the arch rTR being 

 vertical and its greatest distance from the straight line rR being about 15 inches 

 [5 th way]. 



Cross Wire The same except that the touching wire rR had a cross wire Ee 

 placed horizontally fastened on within 3 inches of r, the touching wire being 

 of the same length as before, and Ee 23 inches long. The touching wire was 

 made to extend so much on the plate that Ee was about i inch distant from the 

 edge of the plate [4 th way]. 



Back Observation The touching wire removed into the situation xy, the 

 wire yzS being 13 feet 5 inches long and passing nearly perpendicularly over B 

 and at the height of 3'. 7" above it [6 th way]. 



Plate Vertical The plate hanging in a vertical plane nearly perpendicular 

 to the right line joining it and the vial. The touching wire touched it about 

 the middle of the upper side [i st way]. 



468] Sat. Dec. 14 [1771]. Th. 53. S. H. 19. C. H. + 7*. 



Back observation. Touching wire extends 4 inches. 



Side of 

 equivalent 

 square diff. J sum 



