Corrosion Hits Springs

I'm not sure how the first four Repeater Bell mechanisms I removed just happened to need no more than a good clean up and painting, just luck.  The remaining four, being those for the 1st, 2nd, 6th and 8th; were in a lot worse condition.  Two Trigger castings are badly corroded at the weakest point where the brass cable pivot attaches.  Four of the return springs are either broken or corroded badly enough to need replacing.

Clapper return spring

The worst of the corrosion has been assisted by good old disimilar metals syndrome, or Galvanic Corrosion.  The hook at top left is hooked over the Clapper which is made from Brass.  The semi-circular hole has been caused by touching the Brass pillar where the Rubber Bump stop is fitted.

I'm now on the trail of a company that will manufacture some new Clock Springs, the technical term for springs of this shape and function.