QlQ PHILOSOPHICAL TRANSACTIONS. [aNNO 1749. 



numbra at 12'' IS™ ; the true eclipse began 12'' 30*" 29'; ditto ended IS*" 3" ; 

 penumbra ended IS** 12™. 



The sun was observed eclipsed Jan. 18, 1730, in the afternoon. The begin- 

 ning at 2*' 52" 30*; the greatest obscuration was 8^ digits: the end not ob- 

 served for clouds : it seemed to be about 4*^ 52" ; as at 4'' 55", the moon was 

 quite clear of the sun. 



Anno 1729, Aug. 8, in the total lunar eclipse, because of clouds, it could 

 only be observed that the first emersion was at lO** 1" afternoon ; and 6 dig. 

 were eclipsed at lO'' 33" 2^ 



The same year 1729? Dec. 9, afternoon, 



1 1*' 3" 5' the moon occulted a satellite of Jupiter. 

 11 13 25 the moon touched the limb of Jupiter. 

 1115 O the moon covered Jupiter entirely. 



Anno 1713j Dec. 1, afternoon, the moon was observed eclipsed, at the town of 

 St. Joseph, in longitude from Paris 3*' 52" 30'. The beginning was at 10*' 33" 

 31' ; the end 12*' 56" 57' ; and the greatest obscuration at 1 1'' 45", was 5 dig. 



Anno 1717, March 26, afternoon, the moon was observed eclipsed, in the 

 meridian of St. Cosma, longitude from Paris, 3** 52" 20'. A sensible penumbra 

 at 9*" 40" ; beginning of the eclipse lO'' 2"2P; end of it 12*' 45" 4<y; end of 

 the penumbra 13'^ 1". Quantity eclipsed 7 dig. 18'. 



Anno 1728, Feb. 24, the moon was observed eclipsed, at the town of St. Michael 

 the Archangel, afternoon, with a 10-foot tube, the difference of longitude from 

 Paris 3'' 48" 50'. Beginning of the eclipse at 14'' 3" 35' ; the end at 17'' O™ 

 37' ; the quantity eclipsed 9 dig. 40'. 



Anno 1700, March 4, afternoon, a total eclipse of the moon in the Fluentine 

 College, commonly called de las Corrientes, its difference of longitude from 

 Paris about 4'' 2". 



Beginning of the eclipse at 13'' 14" ; total immersion 14*^ 34"; first emersion 

 jQh 15m. gjj(j of the eclipse 17'' 15". 



END OF THE FOBTY-FIFTH VOLUME OP THE ORIGINAL. 



On Thermometers, and the Weather. By the Rev. Henry Miles, D.D., F. R. S. 

 N°491, Anno 1749. Fol. XLFI. p. 1. 



It has been often complained, that the theories of the air and weather are so 

 imperfect, and that an unfinished one of Mr. Boyle, published since his death, 

 is the best we yet have. Perhaps there is equal reason for complaint, that the 



