All the images of marginalia below are from manuscript BNF Cod. Fonds Lat. 7272, courtesy of the Bibliothèque Nationale de France, and downloaded from its excellent website Gallica.
The manuscript itself is a copy of astronomical and astrological works by Andalò di Negro, a 13th century Genoese nobleman. (For more on Andalò di Negro, see Chapter XII of Lynn Thorndike’s History of Magic And Experimental Science, Volume III.)