1811-1886 1815-1846 1877-1927 1886-1960 787 antonio approximately1644-1737 augusto biography bologna carleenmaley cello construction dictionaries gaetano giovanni guarnerifamily history hutchins instrumentalmusic italy organbuilders paci pictorialworks pollastri stradivari stradivaristringedinstruments stradivariusviolin stringedinstruments unitedstates vincenzo violin violoncello