694 it marks, as the voice by its emphasis would mark in reading, a change of subject: So spake the false Arch-Angel, and infus'd Bad influence into th' unwarie brest Of his Associate; hee (i.e.the associate) together calls, &c.
An examination of other passages, where there is no antithesis, goes to show that the lengthened form of the pronoun is most frequent before a pause (as vii.

95); or at the end of a line (i.

245, 257); or when a foot is inverted (v.

133); or when as object it precedes its verb (v.
612; vii.

747), or as subject follows it (ix.