Portable Horizontal Sundial
notes: label: Description
content: This square horizontal sundial consists of a brass dial and gnomon, a wooden base, and a silver compass inset in the center of the dial. The compass has a needle and four points. The dial is calibrated from 1 to 12 and from 1 to 12 for a total of twenty-four hours. Each hour is divided into eight parts. Inside this calibration, the dial is calibrated again from I to XII with the hour divided into four parts. The gnomon folds up to a vertical position. The dial is screwed to the wooden base in four places. The base is covered with red paper.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Timekeeping
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.330847
label: accession number
content: 305777
label: catalog number
content: 330847
objectType: label: Object Name
content: sundial
physicalDescription: label: Measurements
content: overall: 1.5 cm x 8.1 cm x 8.2 cm; 19/32 in x 3 3/16 in x 3 7/32 in