armillary sphere

armillary sphere is a astronomical instrument or orrery.

Also recorded as spherical astrolabe.

Overview

Its recorded use is measurement and video tracking. Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

model of objects in the sky

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Armillary sphere”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q328720: armillary sphere
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