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Equinoctial Ring Dial, by J. H. Weyerman, Ronsdorf, 1747

preview image for Equinoctial Ring Dial, by J. H. Weyerman, Ronsdorf, 1747
Inventory Number: 45800
Object Type:
Persons: J. H. Weyerman (Maker (Signed by))
Date Created: 1747
Place Created: Ronsdorf Germany Europe
Subject Classification(s): Lewis Evans Collection By Collection Sundials Mathematical Instruments By Trade Location  
Accession Number: 1924-0/part
Brief Description: Gilt brass with within the hour-ring a moveable silver ring used either to convert the time found in equal hours to Italian or Babylonian hours, or find the time by moonlight. Suspension ring and slide are missing. In leather case tooled in gold.
Primary Inscriptions: "J.H. Weyerman fecit Ronsdorff 1747".
Provenance: Presented by Lewis Evans
Collection Group: Lewis Evans Collection
Material(s): Gilt brass and silver; tooled leather case

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