Ivory Diptych

Name/Title

Ivory Diptych

Entry/Object ID

2023.4.6

Description

Kelton Foundation notes: Bloud type ivory Diptych Dial. Dieppe, late 17th century, the upper outer face with circular equinoctial dial and central polar dial, upper inner face with latitude scale and pewter lunar volvelle, lower inner face with horizontal dial, printed paper compass rose, pewter elliptical hour scale, the base with inset pewter disc engraved with perpetual calendar square and calendar scale

Collection

Instruments Collection

Made/Created

Date made

circa 1680

Lexicon

Nomenclature 4.0

Nomenclature Primary Object Term

Sundial

Nomenclature Class

Timekeeping T&E

Nomenclature Category

Category 05: Tools & Equipment for Science & Technology

Getty AAT

Concept

sundials

Search Terms

diptych dial; sundial; compass

Material

Ivory, Steel