Title

universal ring-dial

Mediumbrass

Dimensions3 1/4 in. (8.3 cm)

Donor credit lineKendall Whaling Museum Collection Transfer

Object number2001.100.3624

Institutional Credit LineCourtesy of the New Bedford Whaling Museum

DescriptionA universal ring dial with arcs of latitude calibrated for each degree from 0 degrees to 90 degrees and a central bridge (engraved with signs of the Zodiac) that aligns a sliding pin-hole to the proper solar declination for any particular date. The vernal equinox set at March 20.ProvenanceOf a type used on shipboard in Dutch Arctic whaleships and East India merchantmen.

On View

On view