Found the following hamletworks.org entries referring to line 1425-6

View Commentary Note for 1425-6
1425-6 Ham. I am but mad North North west; when the | wind is Sou-  
1426 therly, I knowe a Hauke, from a hand saw.

View Material Textual Note for 1425-6
1425-6 Ham. I am but mad North North west; when the | wind is Sou-  
1426 therly, I knowe a Hauke, from a hand saw.2.2.379