Cosmolabe

The cosmolabe was an ancient astronomical instrument resembling the astrolabe, formerly used for measuring the angles between heavenly bodies. It is also called pantacosm. Jacques Besson also uses this name, or universal instrument, for his invention described in Le cosmolabe (1567), which could be used for astrometry, cartography, navigation, and surveying.

Not to be confused with astrolabe.
Cosmolabe, 16th century
Cosmolabe by Jacques Besson, 1567

Notes

    References
    • This article incorporates text from a publication now in the public domain:  Porter, Noah, ed. (1913). Webster's Dictionary. Springfield, Massachusetts: C. & G. Merriam Co. Missing or empty |title= (help)
    •  This article incorporates text from a publication now in the public domain: Chambers, Ephraim, ed. (1728). Cyclopædia, or an Universal Dictionary of Arts and Sciences (1st ed.). James and John Knapton, et al. Missing or empty |title= (help)
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