Share 'Adding a truss rod to a classical guitar - Neck or sound hole nut?'

Presented for your consideration............... Another out of the dumpster, and onto my workbench project. I've acquired awhile back old 70's -80's (?) Union Musical Espanola guitar that was made in Spain and is a tourist grade instrument.  All solid wood construction.  It is in need of a neck reset, has a cupped fingerboard that needs to be leveled and then new frets.  The neck is also bowed…