Found the following hamletworks.org entries referring to line 512

View Commentary Note for 512
512 {Whiles} <Whilst like> a puft, and reckles libertine1.3.49

View Immaterial Textual Note for 512
512 {Whiles} <Whilst like> a puft, and reckles libertine1.3.49

View Material Textual Note for 512
512 {Whiles} <Whilst like> a puft, and reckles libertine1.3.49