any ideas what this is?

[gene the machine]

found this at school house that is on an 1866 map. it was deep, at least 10", and sounded so sweet like it was silver. It read 90-91 at 12Khz on the XPDeus. It appears to be copper as it has that shine to it where i hit it with the shovel. it is 2&1/2 long and 2&1/4 wide. It seems to have a slight curve to it. there is one small protrusion on what i call the back and there might have been another one but it is not there now. as you can see there are lots of drilled holes in it.

 

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[jewelerguy]

I think it's part of a clock

 

[gene the machine]

i think you might be on to something jeweleyguy...

 

[villagenut]

innards of a clock

 

[gene the machine]

thanks guys... that's probably what it is. if it were round i might have guessed that but being square it threw me off.

 

[trdking]

Its a bridge plate and has nothing to do with the round dial.

I like the above answers

Cheers all