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I just looked at a sequence of Olaf the Violin Maker videos on a restoration of a Hill antique violin. Although unmentioned by Olaf, the violin had a very unique peg spacing in that it appeared that each side of the peg box was equally spaced for 3 pegs, with the middle peg space on each side unused. I could not extract a useful photo from any of the YouTube videos, but did find something as an example (although not as pronounced as the French made Hill).
The only reason that I can make for doing this is ease of hand positioning for tuning. Finding the peg hole for the a string must be difficult because of interference from the scroll.
Without deviation from the norm, progress is not possible. —Frank Zappa
The future is already here—it’s just not very evenly distributed. —William Gibson
Ahaaa! How curious.... yeah, indeed...
No doubt there is a rationale behind the peg spacing on the box....
But then again, I'm just a fiddler, so who knows ?
As I say, curious ( and interesting! - or - was it just a mistake ??? Trust me, I don't know !!! )
***EDIT*** -was there perhaps an intent for a 5-string version? LOL
I seriously recommend not copying my mistakes. D'oh -
Please make your own, different mistakes, and help us all learn :-)