COFFIN, — EDGE CORRECTIONS IN CONDENSERS. 



437 



.•. Using the expression (e) we have 



TTxm »j^ + 1 , / Trmx\ (m — ly 



'^-J-^ 2 



(m + 1)= 



log (m + 1) + 



rn 



^.0,4 



log(m-l) 



(g) 



The expression for /« = 1 or a := should reduce to the known expres 

 siou. It becomes 



which is identical with his result. 



