the old style mechanical ringer is much better than any new electronic device at piercing through ambient noise so you can hear the phone ring - here's a link to one I'm selling for a friend (I have such a thing already in my garage, so I don't need it) - I don't know about you, but otherwise I'd miss the phone if I'm using the lathe (or wose an air powered sander) when the phone rings
here's the link
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