[Bell Historians] Lock Nuts

[Mike Chester]

--- In bellhistorians at yahoogroups.com, "Philip Pratt \(Hotmail\)" 
<itsabubble at h...> wrote:
> On a similar point, what do the leather washers do between the 
clapper and bells? 

I've vague memories to the effect that two different metals in contact 
with each other set up a small electrical charge that can cause 
corrosion. The leather washer effectively isolates the bell from the 
clapper. Am I dreaming?

Mike