horizontal sundial
Datecirca 1860
Inventory Number7874
ClassificationSundial
Subject
Maker
C. R.
Place of Origin
Dimensions0.7 × 9.8 × 9.8 cm (1/4 × 3 7/8 × 3 7/8 in.)
Material
AccessoriesBrown cardboard box and instruction pamphlet in French and English.
DescriptionHorizontal dial with a paper chapter ring calibrated from V -XII-I-VII with 1/4 hour subdivisions. The gnomon is fixed at an angle of 41° 15'. The compass rose is divided into 4 points marked "N", "E", "S", and "O". Instructions are printed on a paper that is glued to the back of the compass bowl.,circular
previous object name: Horizontal Dial with Compass by C deposer R. with a circular brown cardboard box
previous object name: Horizontal Dial with Compass by C deposer R. with a circular brown cardboard box
SignedSigned "CADRAN SOLAIRE" / ".C. DEPOSE .R." printed on cover of box and label on rear od dial.
FunctionTime finding at a fixed latitude of 41° 15'
ProvenanceJR Polfory (sp?); Harold Clarence Ernst, MD, Boston, c. 1900-1922 (no. 232); Mrs. Ellen L. Ernst (his widow), Jamaica Plain, MA, 1922; on loan to the Museum of Fine Arts, Boston, 1923-1938; gift to Harvard College Observatory, 1938; transfer to CHSI, 1964.
Jacques Senecal
Date: circa 1680
Object number: 7389
Italian
Date: date 1627
Accessories: Housed in a wooden case with loose cover.
Object number: 7191
Swedish
Date: 1800
Accessories: ivory case with engine-turned engraving on top of cover
Object number: HO81Z-6