Combined nocturnal, lunar dial and Rojas dial. Definitely a fake.

Nocturnal for use with Great Bear only. Compass on bracket support for suspension ring.
Obverse: Two rotatable discs and pointer arm pivoted to centre and held together by screw and wingnut in the manner of an astrolabe.
Main disc: Date scale divided anticlockwise to named month and subdivided to days. Within this is a zodiac scale divided to named sign and to 1 deg. Within this is a declination scale divided to 1 deg.
Lower rotatable disc: Shaped pointer. Teeth for marked hours. Hour scale anticlockwise subdivided to 15 min. Lonar-age scale divided clockwise.
Upper rotatable disc: Long pointer. Disc carries an aspectarium with circular aperture for pictorial representation of phases of the Moon.
Compass: Cardinal points marked by Italian initials. Needle missing. Glass cover plate.
Main disc: Degree scale to 1 deg.
Rotatable disc: Rojas projection. Declination parallels marked with zodiac signs. Hour lines from Pole to Pole. Two short pointers to set the latitude, and pivoted alidade with pinhole sights.