AA

[RicB]

Hi Ric

My "Guide to Restringing" copy  shows two scales for the AA.  
Interesting that the older piano below used 17.5 to <<smooth>> out the 
transition from 17 to 18 and the newer model jumped from 17 directly to 
18. JAT

Cheers
RicB

Serial no 40284 as follows (all trichord unisons in both instances) 

Gauge   Unisons
13           7
13.5        4
14           4
14.5         4
15            5
15.5         6
16            6
16.5         5
17            12
18            6


Serial no 15633 as follows:

13            6
13.5         4
14            4
14.5         4
154          5
15,5         6
16            6
16.5         6
17            8
17.5         4
18            6