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How to get this bell to work? Answered

I picked up this bell today at my local junk store for 50 cents. I hooked up a 9 volt to it and it rang once. Is there a simple way to make it ring a lot when i flip the switch? Thanks

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Yes.

Adjust the contacts on the left side, so that when the magnet pulls in the arm, the contact breaks open.

+1
And make sure the contact points are clean.

A 9 volt may not have enough power to run it. Many of these are 6 volt or 12 volt.