What does ORRERY mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand ORRERY in the Miscellaneous field in general and in the Unclassified terminology in particular.
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What does ORRERY mean?
- planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock