Maybe "Barachia" means something else There is a Kircher letter not in the online catalogue: 2. ---. "Obelisci Aegyptiaci Sive Solaris Barachiae Abennephi Interpretatio Arabica.", Rome, Archivum Pontificiae Universitatis Gregorianae. Call Number: APUG 830 (folio numers to be checked) Notes: Cited in Fletcher, AK und ...., p. 180. Cheers, Gabriel