Found the following hamletworks.org entries referring to line 79
View Commentary Note for 11
11
Bar. Tis now strooke twelfe, get thee to bed Francisco,
1.1.7
View Commentary Note for 75
75
Hora. As thou art to thy selfe.
1.1.59
View Commentary Note for 78
78
So frownd he once, when in an angry parle
1.1.62
View Commentary Note for 79
79
He smot the
{sleaded pollax}
<sledded Pollax>
on the ice.
1.1.63