C7in 
Obfervatiom of the Eclipfe of the Sun on the 1 2 of Ju- 
ly laft C new ftyle ) made at the Obfervatory at Pa- 
ris 1684. in the lower apartment, by Meffieurs 
C?ii^\niand Sedileau • in the upper. By Meffieurs 
de la Hire Pothenoc. At the Colkgt of 
Lewis the Great, i« the pre fence of MorScignmt 
the Duke of^omhon^hy R.P^ Footenay ; at Ah in 
Pro\^inc€ ; at Lyons ; at the Bay o/Rofes ; at Hon- 
i^^ur andatVm; b) divers other learned Perfms. 
In the lower appartmentyby MeJJieurs Caffini andSQAWt^w* 
FOr obferving this Eclipfe, htiiAQ the Inflruments which 
were made ufe of for oblerving that of the Afoo;?, at 
the Focus of the Glafs ot 40 foot,was placed circle of Paper 
equal to the Suns Image, divided into 12 digits, by con- - 
centrick circles ; and, to another Glais ot d foot, wasap? 
plyed, on the P^ra/'/<3^2^/V>^ Engine, another circle equal 
to that at the Focus of the Glafs of 40 fooL. 
The Sun, at the beginning of the Eclipfe, was clouded i 
lo that it could not be oblerved : but obfervations were 
taken of the following Vhafes, fo as from thence divers o- 
thers of the principal Phajes might becoUeded according 
to the meafures thereofjtaken at fuch times as the Sun was 
free. Thegreateltoblcuration wasfeen, and the end of 
thQ Eclipfe, which was exactly marked. And having ad- 
jutted the copiputationof time for the feveral oblerva- 
tions, and compared them together 5 they were found ii^ 
tins manner. 
The beginning of, ^ ho ' " 
the Echpfe. fz 25* 
One Digit % 32 50 
2 Digits i 40 o 
3 'Digits 2 47 40 
Differences 
7 
7 40 ^ 
4 Digits 
