SUN-DIALS.
Tuttell, Thomas.
The description and uses of a new contriv'd eliptical double dial; as also of the universal a@quinoctial dial. Which serve to find the lati- tude, hour of the day, the true meridian, the altitude, azimuth, and declination of the sun; his place in the ecliptick, the time of his ris- ing setting, length of day and night, &c. With a scheme of each dial curiously engraven. Very useful for all seamen and travellers ... Where- unto is added a correct table of the latitude of the most eminent cities and towns in
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