Complex sentence: The one-manual instrument was built in 1684 by Bernard Smith and is said to have been played by George Frederick Handel while "en route" to Dublin for the first performance of the "Messiah".
Split into simpler sentences: The one-manual instrument was built in 1684 by Bernard Smith. There is a long-held tradition that it was played by George Frederick Handel when on his way to Dublin for the first public performance of the "Messiah".