Dumb verus bell or gong repeaters

Dr. Jon

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Aside from the absence of sound are there clear differences between dumb and sound repeaters

For example does a dumb quarter repeater have two hammers? There does nto seem to be a need for differnt tones.

Are the hammers shaped differently for a dumb repeater?
 

Bernhard J.

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Well there are watches, wherein you can shift a lever and depending on this lever the repeating is dumb or with sound. So there need not be differences in the design, obviously. Here is an example for a half quarter repeater with two hammers (acting on the single bell, of course), wherein you can choose the way of operation by a lever at "27", dumb or bell.

D9.jpg
D6.jpg
 

gmorse

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Hi Bernhard,

Is there a pulse piece in the outer case to engage with that lever?

Regards,

Graham
 

Bernhard J.

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Hi Graham,

There is nothing in the outer case interacting with the lever, see below. For selecting the mode the outer case needs to be opened.

Cheers, Bernhard

D5.jpg
 

gmorse

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Hi Bernhard,

Ah, so there isn't a pulse piece in the outer case to allow the owner to feel the strikes when it's pressed in.

Regards,

Graham
 

Bernhard J.

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Hi Graham,

In the silent mode it just tocks quite noticably, nevertheless. The bell is really loud, of course.

Best, Bernhard
 

gmorse

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Hi Jeffery,

Not really, they just omitted the bell or gongs and the hammers struck anvils fitted inside the case band instead. Some repeaters had a pulse piece which allowed the owner to press it while the repeater was running, which prevented the hammers from hitting the bell but transmitted the blows to the finger so that they were felt but not heard. Useful during a long sermon or a boring play in the theatre.

Regards,

Graham
 
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