From Athanasius Kircher’s 1650 Musurgia Universalis, a selection of plucked stringed instruments and their scales:
‘Testudo’ ‘Theorba’ or bass lute ‘Common Guitar’ (with 17 strings…) ‘German or Italian Guitar’ ‘Type of Spanish Guitar’ ‘Combination of Tortoise and Mandora’ and ‘Type of Turkish Trichord commonly known as a Colachon’.
