Found the following hamletworks.org entries referring to line 76

View Commentary Note for 30
30 {Hora.} <Mar.> What, ha's this thing appeard againe to night?1.1.21

View Commentary Note for 51-52
51 {Enter Ghost.}1.1.40
51-52 Mar. Peace, breake thee of, <Enter the Ghost.> | looke where it comes againe.

View Commentary Note for 75
75 Hora. As thou art to thy selfe.1.1.59

View Commentary Note for 76
76 Such was the very Armor he had on,1.1.60

View Material Textual Note for 76
76 Such was the very Armor he had on,1.1.60