Portable Universal Ring sundial

Made:: 1789-1891 in London

maker:: William Cary

Portable Universal Ring sundial, by William Cary, London, with wood and cord suspension, in fitted wooden case

Details

Category:: Time Measurement

Object Number:: 1932-553

Materials:: wood and cord

type:: universal ring sundial

credit:: Mr. A. R. T. Woods.

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Portable Universal Ring Sundial, by William Cary, London, 1790-1810

Portable Universal Ring sundial, by William Cary, London, 1790-1810. The dial is suspended from the thumb or finger and the time is indicated by the sun's rays passing through a pinhole onto a circular scale of hours.