Engraving depicting the use of a cross-staff used to measure altitudes of celestial objects. Dated 19th Century

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Size: 3793px × 5529px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archival, archive, astronomyastrologicalastronomy19th, century, cross-staff, engraving, engravingengravedcross-staffjacob, historical, history, objectastronomicalastronomerhistory, staffballastellafore-staffbalestilhameasurementmeasurementsaltitudesaltitudecelestialcelestial