Book 2 = grayscale scan. Cover page has stamped date of 1863 by the Bibliotheque Imperiale. Oddly, plate number would suggest publication ca.1851 but note 2 separate Richault tables.
Book 2 = grayscale scan. Cover page has stamped date of 1863 by the Bibliotheque Imperiale. Oddly, plate number would suggest publication ca.1851 but note 2 separate Richault tables.