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Equinoctial Dial with Nocturnal, 15th Century?

preview image for Equinoctial Dial with Nocturnal, 15th Century?
Inventory Number: 50896
Object Type:
Subject Classification(s): Sundials Mathematical Instruments By Trade Location  
Accession Number: 1924-0/part
Brief Description: Brass circular case with a nocturnal on top of the lid of which one end acts as a catch for the lid; with inside case an hour ring divided into 18 parts and could be adjusted for latitude by placing the gnomon in a depression on the crossbar over the compass glass [now missing].
Primary Inscriptions: Unsigned
Provenance: Presented by Lewis Evans in 1924.
Collection Group: Lewis Evans Collection
Material(s): Brass


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