Found the following hamletworks.org entries referring to line 3730

View Commentary Note for 3730
3730 Let all the battlements their ordnance fire. 37305.2.270

View Immaterial Textual Note for 3730
3730 Let all the battlements their ordnance fire. 37305.2.270

View Material Textual Note for 3730
3730 Let all the battlements their ordnance fire. 37305.2.270