338 



CATALOGUE. — ASTRONOMT, LAWS OF GRAVITY. 



Deguignes. S. E. X. 1785. App. 39. 



Enumerates two or three hundred comets mentioned by- 

 Chinese authors. 



Maskelyne on the comet expected in 1788. 



Ph. U-. 1786. 426. 



Hallcy admitted doubts lespecting this comet in hif se- 

 cond edition. 



Bode. Ac. Bcrl. 1786. 1787. 



Borfe on comets, with a map. 8. 1791. R-I- 



Bode's Jahrbuch. 1795. 



Bode's plate reduced. Rees's cyclop. I. Art. 



Astronomy. 

 K'dstner's gedichte. Vermischte Schriften. 



69. 

 Miss Herschel and Dr. Herschel on a new 



comet. Ph. tr. 1787- 1, 4. 

 Miss Herschel on a comet. Ph. tr. 1794. I. 

 Olbers on the comet expected in 1788. Leipz. 



Mag. 1787. iv. 430. 

 Von Zach on the expected comet. Goth. 



gel. zeit. 1788. xiii. 

 Delucon comets. Journ. Phys. LIV. 25?. 

 Rudigeron the tails of comets. Gilb. II. 99. 

 O. Gregory's astronomy, c. 21. 



The comet of 1680 had a tail at least lOO milKons of 

 miles long. 



Laws of Gravity in GeneraL 



See Centra] Forces. 



Hooke on gravity in wells. Birch. II. 70^. 



**Newtoni piincipia. 



Keill de legibus virium centripetarum. Ph. 



tr. 1708. XXVI. 174. 

 De maximis et minimis in motibus coelesti- 



bus, secundum Demoivre. Ph. tr. 1719- 



XXX. 952. 

 Cassini on vortices. A. P. 1/20. 

 Biilfinger on bodies moving in a vortex. C. 



Petr. I. 245. 

 Moli^res on the resistance of ether. A. P. 



1731. H. 66. 



Maupertuis on the law of attraction. A. P. 



1732. 343. H. 112. 

 Sigorgne on the impossibility of vortices. Plu 



tr. 1740. XLI. 409. • 

 Boscovich on attraction to a centre, C. Bon. 



II. iii. 262. 

 Euler de resistentia aetheris. Opusc. I. 295. 

 Euleron perturbations. A. Berl. 1763. 141. 

 Elder on the problem of three bodies. A. 



Berl. 1763. 194. 

 Euler on the motion of three bodies in aright 



hne. N. A. Petr. 1785. III. 126. 

 Clairaut on the system of the world accord- 

 ing to gravitation. A. P. 1745. 329. 

 Clairaut on the law of attraction, in answer 



to Buffbn. A. P. 1745. 529, 578, 583, 

 Buffon on the law of attraction. A. P. 1745. 



493,551,580. 



A. P. 1745. 557. 



Clairaut fancied, from the motion of the moon's apogee,, 

 that a part of the force of gravitation varied inversely as the 

 fourth power of the distance. BufTon endeavoured to con- 

 fute the opinion. Clairaut afterwards found his mistake, by 

 a more accurate calculation. 



Kratzenstein's spring steelyard, for measur- 

 ing the force of gravity. N. C. Petr. II. 

 210. 



Lalande Exposition du calcul astronomique^ 

 8. Par. 1762. 

 Ace. A. P. 1762. H. 136. 



Simpson's miscellanies. 



Dalembert Opuscufes. 



BossiU sur la resistance de I'ether. 4. Char- 

 leville, 1766. 



Condorcet on the motions of three attractive 

 bodies. A. P. 1767. H. 93. 



Frisi on the laws of gravity. C. Bon. V, 

 i. ii. 



Frisi de gravitate universali. 4. R. S. 



Lambert on the problem of three bodies. A. 

 Berl. 1767.353. 



