f 2244 ) 
\ i h 9' go 1 '. As to the accurate times they are uncertain, 
the Pendulum Clock having been fet only by a fmall Sun 
> Dial. : I fend you alfo the following Account, which the 
fame Gentleman did communicate to me. 
“ Obfervations on the Eclipfe of the Sun, of the 
“ 1 2th of May, 1 70 6, made at MarfaUes , in the 
“ Obfervatory of the Jefuits of St Croix $ by 
“ Monfieur Chazelles, Ingineer of the Galleys, 
“ and by Father Laval, Jejitit, Royal Profeflor 
“ of Hydrography. h ' " 
“ The Eclipfe did begin at — — 8 28 40 
“ It did reach the Sums Center at 9 6 n 
“ It was total at ■ — — — — 9 34 15 
“ The Sun did begin to appear again at 93 7 9 
“ The Eclipfe did come again to theCenter at 10 12 23 
s ‘ It did entirely end at — ■ 10 47 50 
“Three Stars were diftin&ly feen ; and during three 
* “ Minutes it was not poffible to read. And there did re- 
“ main one bright Digit, all about the Globe of the 
“Moon, 
The Manner HoUfe of Duiilier is in the Latitude of 
■ 46° 24'. In Longitude it is 4° 13' 45" to the Eaftward 
of the Royal Obfervatory at Park. And St Peter's Church 
at Geneva is, in Latitude, o° 12' to the Southward, 
and in Longitude, o° 5' 2'' to the Weftward of Duiilier <■ 
But of this another time. 
Before I make an end of this Abftrad, I muft take no- 
tice that, according to thefe Obfervations, the Altitude 
of the Moon’s Atmofphere cannot well be fuppofed lefs 
than of 130 Miles, in perpendicular Height : Of which 
Miles 60 go to one Degree of the Earth. Neither could 
that Atmofphere be difeovered, before the time of this 
Eclipfe, by any Refradion of the Stars : Probably be- 
caufe of this Refra&ion’s fmall nefs j and for want of 
.pro- 
