Description
1a universal equinoctial and polar dials; 1b southern part of equinoctial dial, plummet, latitude list and latitude scale; 2a horizontal string-gnomon dial, lunar volvelle, compass and continuation of latitude list; 2b line decoration.
Acknowledgement: © History of Science Museum, University of Oxford, inv.37449
1a universal equinoctial and polar dials; 1b southern part of equinoctial dial, plummet, latitude list and latitude scale; 2a horizontal string-gnomon dial, lunar volvelle, compass and continuation of latitude list; 2b line decoration.