Found the following hamletworks.org entries referring to line 648

View Commentary Note for 648
648 It {waues} <wafts> you to a more remooued ground,1.4.61

View Immaterial Textual Note for 648
648 It {waues} <wafts> you to a more remooued ground,1.4.61

View Material Textual Note for 648
648 It {waues} <wafts> you to a more remooued ground,1.4.61

View Commentary Note for 681
681 Enter Ghost, and Hamlet...