Gunter’s quadrant early 18th century.England.
A set of hour lines and a date scale for use in time-telling;a set of lines for calculating the azimuth (direction east or west)of the sun.
Gunter’s quadrant early 18th century.England.
A set of hour lines and a date scale for use in time-telling;a set of lines for calculating the azimuth (direction east or west)of the sun.