Main Spring for applications:
Bush and Lane
Edison Concert O.S.
Edison Idelia, B, C, D, E
Edison Triumph A, B, C, D, E (Combination?)
Meisselbach 18
Teletone
Dimensions
Width – 2″
Thickness – 0.022″
Length – 14′
Outer Connection – Pear
Inner Connection – Pear
Diameter of Arbor – 13/16″