Donovan, John, topographer.
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A dissertation on comets . In three parts. Part I. A confutation of the principles of judicial astrology; wherein it is demonstrated, that comets cannot be presages of good or evil to man. Part II. The various theories of comets, according to the antients and moderns: a particular account of the comet which is now visible on the continent, and will soon be seen here; with the methods of determining it's course, velocity, magnitude, distance, heat, time of passing the perihelion, &c. With a catalogue of all the comets that appeared since the general deluge; and the mathematical elements of those that have been astronomically observed. Part III. Conjectures on the cause, phœnomena, and time of the general conflagration, according to Burnet and Whiston: with arguments from scripture and fathers for the succeeding period, called the millennium Compiled by John Donovan.
Donovan, John, topographer.Date: M.DCC.LXXXIX. [1789]- E-books
- Online
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.
Donovan, John, topographer.Date: 1791