I was interested in the discussion of a double comb Polyphon by Jim
Heyworth in 031011 MMDigest.  I was surprised to hear that the combs
are played separately so that each star wheel plucks only one comb.
Is this true of many double comb boxes?  In my Regina each star wheel
plucks two teeth, one tooth from each comb.

Mention of the Symphonion sublime harmony boxes was also interesting.
I did not realize that the combs could be on opposite sides of the
center post.  This must mean that the disk has to have twice as many
projections to play both combs. I assume the "tracks" are interlaced
but those on my Regina are so close together I can't imagine twice as
many in the same radius. Did they use wider spaced combs?

Now if the whole composition has separate projections for each comb
did they do any variation where some of the piece uses only one comb
and other parts of the piece use both -- either for volume change or
turning the "celeste" effect on and off?

I may be mistaken in calling this sublime harmony since Heyworth talks
about each star wheel plucking two teeth in the sublime harmony setup.
But one of my reference books (which I had never looked this closely at
before now) describes sublime harmony as having the combs on opposite
sides of the center post.

Thanks for any clarification anyone can give,

David Sharpe