Found the following hamletworks.org entries referring to line 739

View Material Textual Note for 734
734O Hamlet, what <a> falling off was there 

View Commentary Note for 738
738 Vppon a wretch whose naturall gifts were poore,1.5.51

View Commentary Note for 739
739 To those of mine; but vertue as it neuer will be mooued,1.5.53

View Immaterial Textual Note for 739
739 To those of mine; but vertue as it neuer will be mooued,1.5.53

View Material Textual Note for 739
739 To those of mine; but vertue as it neuer will be mooued,1.5.53

View Commentary Note for 742
742 Will {sort} <sate> it selfe in a celestiall bed 1.5.57
742 And pray on garbage.1.5.57