Knabe Stringing felt question

[David Skolnik]

Hello all,
Let's see if I can make this clear without pictures.  I am rebuilding 
a Knabe 5''8", which had undergone a previous rebuild, so was not in 
original condition.  In the top two treble sections,  there were two 
areas covered with cloth that seem questionable to me: first, the 
plate 'boss' (?) in front of hitch pins, which forms the rear 
terminus of a rear duplex, the front terminus of which are the rear 
bridge pins, and, second, the front edge of plate, which would form 
the front terminus of a front duplex.  The date of the piano is 
unclear, as serial numbers seem not to exist, but it is definitely of 
the Baltimore period, not from Aeolian.

Thanks for any insights.  Sorry about no pixs but maybe will get it 
together this summer.  Love good pixs on list.

David Skolnik
Hastings on Hudson, NY