Silver multi-component perpetual calendar medal; three discs of equal size and a small disc secured to the obverse by a central rivet; the two outer discs encircled by 'collars'; at one side the inner disc and the collars around the two outer discs extend to form loops, secured by another rivet; on the opposite side the two collars extend to form rectangular protrusions, between which is a rectangular bar and loop; the protrusions and bar secured by three rivets (fourth missing); all incised. Along left edge, symbols of seven planets, flanking names of days of week inscribed across centre but divided in half, leaving space in middle; above and below, a small, frontal, cherub's head set in a pair of wings; along right edge, a cutaway revealing seven data fields on large upper obverse disc below; with a small pin to facilitate turning. Inscriptions along and near edge alternating with three arcs cut away, two on one side and one on the other, to reveal sections of data on disc below; inscribed along inner edge of one cutaway, towards centre, seven numerical fields numbered '1' to '7'. Four concentric circles of inscriptions; in outermost circle, lunar tables; in next circle, images of phases of moon; in third circle, high water times; and in inner circle, 31 fields numbered '1' to '31' of which only seven are visible at once through cutaway on disc above; small pin to facilitate turning. Inscriptions along upper and lower edges; at opposite sides, two cutaways of different sizes flanked by foliate and scroll decoration, allowing partial views of data on disc below; in centre, a head surrounded by an ouroboros, with a winged hour-glass below, behind which are a scythe, a sickle and a fluttering ribbon. Central disc reverse with circle of zodiac symbols along edge, outside three concentric circles of tables of feast days and memorable dates; each circle divided into 12 segments, of which two are visible at a time through larger and smaller cutaways on upper reverse revolving disc.

An00015533 001 l

Thing

Made Of
silver
Type of Thing
volvelle, perpetual calendar medal
Subject
zodiac, cherub/cupid, sun/moon, symbol

Place

In Gallery
HSR/dc25-6

Time

Acquired In
1891
Made
18thC(early)

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