Title

Telling time at night using a nocturnal, 1539. Artist: Unknown

Caption

Telling time at night using a nocturnal, 1539. The hour is obtained by measuring the angular position of the imaginary line joining the 'pointers' in the constellation of the Plough to the Pole Star. From Cosmographia by Peter Apian. (Antwerp, 1539).
Oxford Science Archive

Date

1539

Credit line

Photo12/Heritage Images

Reference

HRM19B65_151

Model release

No

License type

Rights managed

Available size

50,0Mb (1,3Mb) / 16,8in x 11,6in / 5027 x 3474 (300dpi)

Keywords

people male man men time star night science guy astronomy nocturnal constellation century calculation maths mathematics concept geometry arithmetic time of day B&W MONOCHROME timekeeping black & white black and white B W 16th century sixteenth century Oxford Science Archive angle measurement engraving Unknown Petrus Petrus Apianus Apianus Peter Bienewitz Apian Peter Apian Petrus Apianus engraving