Plans for the Bass Viola da gamba by Michael Albanus, Graz, 1706

Michael Albanus, the son of the Bolzano luthier, Matthias Albanus, moved to Graz, where he founded the important violin making school of that city. These very detailed and full-sized plans are available thorugh Orpheon or you may wish to contact Simone Zopf

Simone Zopf and José Vázquez in Hallstatt, October, 2003
Viola da gamba by Albanus in the foreground, two copies in the background!