Volume 1  |  22 Feb. 1876   |  Page 25  TD> |
Primary circuit Secondary circuit Poles Pitch (k) two cells one cell n n d (1/2 b) (l) two cells one cell n s d (1/2 b) (m) one cell two cells n n t. (n) one cell two cells n s t.
 Volume 1  |  22 Feb. 1876   |  Page 25  TD> |