Gamba Family Violin family Restorings Atelier
6) The center ribs are glued to the back, controlling their perpendicular position: the ribs are precisely cut to length, with the corner margins already labored to fit the adjacent margins of top and bottom ribs.

7) The bottom ribs are glued to the back, precisely cut to length too and with margins labored to fit; also the linen strips are glued.