Paper-covered wooden diptych sundial
Date: circa 1850
Inventory Number: 7428
Classification: Sundial
Subject:
Maker: Friedrich Negelein (fl. 1825 - 1850)
Collector: David P. Wheatland (1898 - 1993)
Cultural Region:
Place of Origin:
Dimensions:
1.7 × 4.5 × 7.5 cm (11/16 × 1 3/4 × 2 15/16 in.)
Description:
Rectangular wooden diptych for multiple latitudes, with engraved papers pasted to the leaves. Two copper wire latch hooks.
1a: gazetteer with latitudes of 41 European cities and 11 American cities divided into regions and countries. Names are in English.
1b: a vertical string-gnomon dial for latitude 50°, with hours laid out in an oval. They are marked from VI-XII-VI and divided into quarter-hours. In the upper center there is a scale of latitudes for setting the string gnomon. They run from 34°-56° every 2°.
2a: horizontal string-gnomon dial with three concentric, oval hour scales that surround a central compass box. The scales are for latitudes 45° (unlabeled), 50°, and 55°. The wind rose has 8 points labeled in English. There is an arrow to mark magnetic declination at about 20°W.
2b: plain.
1a: gazetteer with latitudes of 41 European cities and 11 American cities divided into regions and countries. Names are in English.
1b: a vertical string-gnomon dial for latitude 50°, with hours laid out in an oval. They are marked from VI-XII-VI and divided into quarter-hours. In the upper center there is a scale of latitudes for setting the string gnomon. They run from 34°-56° every 2°.
2a: horizontal string-gnomon dial with three concentric, oval hour scales that surround a central compass box. The scales are for latitudes 45° (unlabeled), 50°, and 55°. The wind rose has 8 points labeled in English. There is an arrow to mark magnetic declination at about 20°W.
2b: plain.
Signedon wind rose: F. N.
ProvenanceDavid P. Wheatland, Topsfield, MA; gift to CHSI.