A very unusual, striking engraving featuring a magnificent 32-point compass rose or wind rose, paired on the same page with a map of an invented coastline used to illustrate a key and explanation of labeling for topographic map features. Explanatory Latin text on verso. Size given is for both engravings combined.
References: Mickwitz & Miekkavaara #239-82.
Condition: B+
A dark impression with light soiling and a professionally repaired centerfold separation at bottom.