cannon sundial
Datelate 19th Century
Inventory Number7878
ClassificationSundial
Subject
Maker
J. Neuschüler
Cultural Region
Place of Origin
Dimensionssundial: 9.5 × 7.9 × 7.9 cm (3 3/4 × 3 1/8 × 3 1/8 in.)
case: 12 × 10 × 10 cm (4 3/4 × 3 15/16 × 3 15/16 in.)
case: 12 × 10 × 10 cm (4 3/4 × 3 15/16 × 3 15/16 in.)
Material
Accessoriesmahogany box
DescriptionA circular dial plate bearing a magnetic compass, two spirit levels, a canon and a magnifying glass is supported by a short tripod with three leveling screws. There are two chapter rings, one for a latitude of 40° and the other for 50°, each marked 6 to 12 to 1 to 6 with 15 minute subdivisions. The gnomon can be set for any latitude from 40° to 50° with a bird pointer to a scale subdivided in 1° increments. The magnifying lens is mounted above a touch hole on the canon and is adjusted for the declination of the sun with a scale divided into months.,circular plate on short tripod.
Horizontal dial with bird-type gnomon, levels, compass and cannon by Neuschlüler.
Horizontal dial with bird-type gnomon, levels, compass and cannon by Neuschlüler.
SignedSigned "J. Neuschüler Palermo" engraved on dial face.
Curatorial RemarksAppraisal by Brieux, 9/24/84: $1,000. The DW number is redundent and does not match the data cards. Brieux notes that this is an old set of numbers, since discontinued and list destroyed by Barbara Carson 1975 when she made the sundial list.
FunctionTime finding and noon mark by canon fire at any latitude between 40° and 50° after orienting the gnomon to point toward true North.
ProvenanceDavid P. Wheatland purchased from F. & G. Staack, Camden, Maine, August 11, 1958. Donated to CHSI, ca. 1985.
Jean-Baptiste-Nicolas Delure
Date: 1695-1736
Accessories: case
Object number: HO81Z-4
Thomas & Jonathon Mason
Date: circa 1815
Accessories: Brass box, unlined, with interior fittings to hold dial in place
Object number: 7073
Troughton & Simms
Date: circa 1830
Accessories: mahogany case with brass hooks and hinges, and felt protectors; additional eyepiece; magnifier; adjustable mirror; tripod mount; foot plate (5208b); tripod (5208b)
Object number: 5208a
François Sautout
Date: 1684-1687
Accessories: case
Object number: 7039
Louis Chapotot
Date: circa 1700
Accessories: case
Object number: 7015
Jean Lefebvre (II)
Date: 1690-1710
Accessories: case
Object number: 7026
Louis Chapotot
Date: 1684-1687
Accessories: case
Object number: 7014
Pierre-Louis Menant
Date: circa 1740
Accessories: case
Object number: 7034