horizontal sundial
Datedate 1878
Inventory Number7924
ClassificationSundial
Subject
Maker
J. L. D. Sullivan
Place of Origin
Dimensions3 × 4.3 × 4.3 cm (1 3/16 × 1 11/16 × 1 11/16 in.)
Material
AccessoriesNone.
DescriptionHorizontal dial with a paper chapter ring calibrated from 4 -12-1-8 with 1/4 hour subdivisions. The gnomon is fixed at an angle of 41° 15'. The compass rose is divided into 16 points with the eight major points marked fleur-de-lys, "NE", "E", "SE", "S", "SW", "W",and "NW". There is a magnetic declination mark at approximately 10° W.,circular
Horizontal Dial with Compass in wooden case
Horizontal Dial with Compass in wooden case
SignedSigned "JLDS 1878" printed on face of dial and "J.L.D. Sullivan & Son " / "26 School Strett, Boston." on top of cover
InscribedInstructions are printed on a paper glued to the outside of the wooden cover.
FunctionTime finding at a fixed latitude when oriented to true North.
ProvenanceHarold Clarence Ernst, MD, Boston, c. 1900-1922 (no. 89); 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.
Outdoor Supply Company, Inc.
Date: circa 1950
Accessories: Original cardboard box in fine condition with instructions. Box marked "BOY SCOUTS OF AMERICA" and wih sales sticker from F.A.O. Schwarz, New York, N. Y.
Object number: 7202
Date: circa 1921
Accessories: Original cardboard box (damaged) and instructions (copyright 1921).
Object number: 7913
