ASTRONOMY. 207 



prefix'd an historical preface ; and to which is subjoin'd Mr. R. Norman's 

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WHISTON (WILLIAM). The longitude discovered by the eclipses, oc- 

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 the instruments necessary for this discovery; to which is added an 

 ephemeris for the latter half of the year 1738. 8 London, 1738. 



WHITE (MARTIN). Sailing directions for the English Channel, in- 

 cluding a general description of the southern coasts of England and 

 Ireland. 8 London, 1835. 



WHITWELL (CATHERINE VALE). An astronomical catechism; or 

 dialogues between a mother and her daughter. 8 London, 1818. 



WILLIAMS (JONATHAN). Memoir on the use of the thermometer in 

 navigation ; extracted from the 3rd vol. of the Transactions of the Ame- 

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WILLIAMS (THOMAS). An entire new work, and method of proceed- 

 ing to discover the variation of the Earth's diameters, with a variety of 

 tables suited to the subject. 4 London, 1786. 



. Method to discover the difference of the Earth's diameters ; with a 



variety of new tables ; likewise a method for fixing an universal standard 

 for weights and measures. 8 London, 1 788. ( Two copies.) 



WING (VINCENT). Ephemeris for thirty years ; together with his Com- 

 putatio catholica , or a general computation ; furnished with a variety 

 of tables, &c. 12 London, 1669. 



. Harmonicon cceleste, or the coelestiall harmony of the visible world, 



containing an entire piece of astronomie, wherein is succinctly handled 

 the trigonometricall part, and applied to the diurnall motion, especially 

 respecting the doctrine of the second motions of the luminaries and the 

 other planets, with their affections, as eclipses, &c. fol. London, 1651. 



WINKLER (JOHANNES HENRICUS). Praelectionum suarum rationem 

 reddit et de imagine motuum ccelestium viribus electricis efficta praefa- 

 tur. 4 Lipsice, 1750. 



WITTIE (ROBERT). Ovpcu o<nco7na ; or, a survey of the heavens. 8 

 London, .1681. 



WJKSTROM (ANDREAS). Methodus determinandi orbitas planetarum. 

 SeeWjkstrdm(A.). Methodus geometrica, &c. 4 1749. (Mathematics.) 



WOLFIUS (CHRISTIANUS). Astronomia, chronologia, &c. See Wol- 

 fius (C.). Elementa matheseos universae, &c. 4 1732, &c. (Miscel- 



WOLLASTON (FRANCIS). A portraiture of the heavens, as they ap- 

 pear to the naked eye; for the use of students, fol. London, 1811. 



. Directions for making an universal meridian dial capable of being 



set to any latitude, which shall give the mean solar time of noon, by 

 inspection, without any calculation whatsoever. 4 London, 1793. 



. Fasciculus astronomicus, containing observations on the northern 



circumpolar region ; together with some account of the instrument with 

 which they were made, and a new set of tables by which they are re- 

 duced to the mean position for the beginning of 1800. 4 London, 

 1800. 



. The preface to a specimen of a general astronomical catalogue, ar- 

 ranged in the zones of north polar distance, and adapted to January 1st, 

 1790. 8 London, 1789. 



. A specimen of a general astronomical catalogue, arranged in zones 



of north polar distance, and adapted to Jan. 1, 1790, containing a com- 



