Note 2 — PART I. The instrument.
John Matthews translation
Regarding these two figures as sections of a trunk of maple the first shows how the slab back is obtained, (sur couche) and the second the other method. Tr.

John Matthews translation
Regarding these two figures as sections of a trunk of maple the first shows how the slab back is obtained, (sur couche) and the second the other method. Tr.
