Ohservations on the late Solar Eclipse. 371 



bf oxidation, it is because the precipitant has less capacity fof 

 oxygen than the precipitated : this was also explained on the 

 atomic principle. 



The foregoing short sketch comprehends nearly the whole of 

 the atomic theory, or of definite proportions. Its application 

 in chemical researches is a secondary business. No theory can 

 be confined to the laljours of its author. The great excellence 

 of a doctrine depends on its capability of being universally ap- 

 plied throughout the whole range of chemical science^ — a task 

 too great for any individual. 



[To be continued.] 



LXXVI. Ohiervat'ums of the late Solar Eclipse. By 

 S. Groombridge, Esq. 



To Mr. Tilloch. 



Sir, — 1 REQUEST you will be pleased to insert the following 

 observations of the late solar eclipse, in the Philosophical Maga- 

 zine; which, from its extensive circulation, will enable those who 

 have observed the same phases of the eclipse to compare the 

 different results. 



19th of November A.M., mean time. 



8'' 4' 2.9'' immersion of moon's disc 6' 9'' from vertex. 



8 10 58 vertical distance of cusps 10' 32". 



8 15 2 west cusp from upper Hmb of sun 



8 21 46 



8 27 48 .. .. lower limb of sun 



8 33 48 



8 46 2 



8 49 42 south limb of moon from south limb of sun 



8 52 34 



8 56 18 occultation of the largest spot. 



8 58 26 . . . . second large spot. 



8 59 28 . . . . third large spot. 



9 2 6 south limb of moon from south limb of sun 

 974 east cusp from south limb of sun 

 9 9 8 south limb of moon from south limb of sun 

 9 1156 east cusp from south limb of sun 



9 15 54 



9 17 48 



9 20 20 



9 22 14 south limb of moon from south limb of sun 



Becomes cloudy. 

 10 12 50 vertical distance of cusps 17' 1". 

 10 19 18 emersion of moon's disc 12' 19" from south limb. 



A a 2 These 



