f 55° 3 
of his proximity to the fun : And that a refledling 
fpeculum, of three palms in diameter, which could 
melt lead, when placed in its focus, and inflantly fet 
wood in a flame; did produce the fame effedts, even 
when the fun was feven digits eclipfed ; but that, 
about the time of the greatefl obfcuration, it was not 
able to burn wood, tho’ held in its focus for fome 
time : And that, at the fame time, the air became 
very cold, the wind blowing hard from the north ; 
and that fome vapours, or fog, were feen to rife out of 
the river and adjacent harbour. 
lie likewife mentions fome alterations in the fpirit 
of wine thermometer of M. de Reaumur, during the 
eclipfe. 
1 « 
The fame eclipfe of the fun was obferved alfo at 
Lifbon by A. P. Eufebius da Veiga, profeflor of ma- 
thematics. His times of the beginning and end are 
fomewhat earlier than thofe of M. Chevalier ; and he 
alfo makes the greatefl obfcuration larger, by 3 mi- 
nutes of a digit. 
To his account of this eclipfe he fubjoins fome oc- 
cupations of flars by the moon, obferved by him at 
Lifbon lafl year; viz. of Venus, on the 27th of July; 
of a Libra, on the yth of Augufl ; and of (6 Capri - 
corni , on the yth of Odtober. 
LXXIV. An 
