Title

Engraving depicting the use of a cross-staff used to measure altitudes of celestial objects

Caption

Engraving depicting the use of a cross-staff used to measure altitudes of celestial objects. Dated 16th Century

Date

16th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A13_308

License type

Rights managed

Available size

60,0Mb (4,5Mb) / 13,2in x 17,6in / 3968 x 5285 (300dpi)

Keywords

16th Century Engraving Engraved Cross-Staff Jacob's Staff Ballastella Fore-Staff Balestilha Measurement Measurements Altitudes Altitude Celestial Celestial Object Astronomical Astronomer History of Astronomy Astrological Astronomy 16th Century