Berlin: Konigl Akademie der Wissenschaften, 1787. 16mo., unpaginated, glazed orange paper-covered boards with borders and device in gilt, a.e.g., copper-engraved frontispiece and pictorial title, folding plate and 12 further b/w plates, decorative paste-down endpapers; closed tear along crease of folding plate (3cms apx.), stitching/gutter visible between leaves, rubbing to extremities, overall very good.