ring sundial
Date1920
Inventory Number7130
ClassificationSundial
Subject
Associate Name
Walter Hayes
born c. 1618 - before 1696?
Place of Origin
Dimensions1.3 × 5 × 3.2 cm (1/2 × 1 15/16 × 1 1/4 in.)
Material
AccessoriesNone
Description1 1/4" Diameter Brass Ring Dial (Poke) with one declination and time scale by Wa
1 1/4" diameter brass Ring Dial with one declination scale divided into months on the ring's exterior and one time scale in Roman Numeraks divided into 30' increments on the ring's interior. The ring is made from a flat strip of brass soldered to form a circle. The dial is designed for a latitude of approximately 30°.,circular,The workmanship is crude and the latitude is incorrect for England.
modern copy
1 1/4" diameter brass Ring Dial with one declination scale divided into months on the ring's exterior and one time scale in Roman Numeraks divided into 30' increments on the ring's interior. The ring is made from a flat strip of brass soldered to form a circle. The dial is designed for a latitude of approximately 30°.,circular,The workmanship is crude and the latitude is incorrect for England.
modern copy
SignedSigned "W. HAYES" on inside of ring (Wheatland believed this was a copy)
Curatorial RemarksATAN(14/25.2) = 30°
FunctionTime-finding by measurement of the sun's altitude, corrected for declination.
ProvenanceHarrold E. Gillingham, Philadelphia, Pennsylvania, purchased from Martha R. Wray, London, c. 1925. David Wheatland purchased from Gillingham, 1949. Donated to CHSI 1985.
Louis Chapotot
Date: circa 1700
Accessories: Fitted case in fine condition.
Object number: 7154
