The use of donovan's card-dial and analema . Whereby the time of the day; time of sun's rising and setting; length of day and night; sun's amplitude; point of the compass the sun rises and sets at, &c. may be found in Cork, and places of the same latitude; and in most parts of the kingdom without sensible error. And whereby may be found in all parts of the globe, the sun's declination, his place in the ecliptick; the sun's altitude, and the latitudes of places, &c. at any time.

Date:

1791