Broken tailpiece. New bridge, sound post, and a re-hair. Better quality, improved performance? Hopefully so.
"The Violoncello and Its History" the Introduction. Joseph Wasielewski wrote a 200+ page book about the cello, where it came from, its development, and the musicians who made it happen. This is a short observation regarding the introduction of the book, which deals mostly with the viola da gamba from which the cello is derived.