The Wenger UniGlobe - Modern Day Armillary Sphere
The armillary sphere as it should be made, with the inner terrestrial globe in close proximity to the external celestial globe, thus allowing easy determination of the geographical location of a celestial object. The UniGlobe was designed in 1973 as a result of the passing of the comet Kahoutec. Interest in knowing where to look in the sky led to its design. Three prototypes were constructed and a manual for using the UniGlobe was written. Daniel Wenger taught celestial navigation classes at Santa Cruz Harbour using the UniGlobe. It is the ideal tool for teaching the concepts of navigation, namely spherical triangles. After its construction use of the globe led to the discovery that it could be used as a sundial. From that discovery the Wenger Sundial emerged.
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