Charming and Unusual Antique Folk Art Compass Dial with Pressed Type Coordinates Detroit blueprint but what doesn't look great

but what doesn't look great in a matte black glazed slab vase

black ink on what I believe is wove paper

with the blue frame around the scene having the feel of a window

warmly worn around the edges

I think this is my favorite of the bunch

Charming and Unusual Antique Folk Art Compass Dial with Pressed Type Coordinates Detroit blueprint but what doesn't look greatPhotos don't do this justice, but details help give a sense. Found in Maine, it reminds me a bit of folk art clocks used to teach time, but this one made of brass and showing a rose compass, detailed down to 10 degree increments, with type pressed directions down to the eight half winds (NNE, ENE, etc.) Certainly navigation related, though whether used for teaching navigation or actually navigating, I am not sure! A beautiful thing whatever the case,