Nocturnal (instrument) of 1650. Location: MUSEO NAVAL / MINISTERIO DE MARINA. MADRID. SPAIN Stock Photo - Alamy
Nocturnal, Italy, 17th century. A nocturnal is an instrument used to determine the local time based on the relative … | Antique clocks, History of science, Antiques
Jamestown Settlement & American Revolution Museum at Yorktown - The nocturnal was an instrument used by 17th century navigators to determine time at night. The wooden instrument is engraved with the months