Odd bass bridge

[David Boyce]

I tuned an upright today with a bass bridge feature I'd not seen before.  It 
makes contact with the soundboard only at the two ends, as you can see in 
the picture.  The blocks are about 2 1/2" long, and the right-hand one has a 
tail that goes under the frame, and which I foolishly missed out of the 
photo.  The whole of the rest of the bridge floats about half an inch above 
the soundboard.  I wonder what the theory was - perhaps the two ends are 
supposed to be on special nodes in the soundbard or something?

David. 
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