r 



ASTRONOMIC^\L PAPERS. 



^57 



Required the time of the Sim's paffing the merldkn- 

 am hence of apparent noon, per clock, November 8th. 

 Dill, between the morning ob- ' 



fervations of the two days, 

 DiO,'. of the afternoon obfervations, 



2'. 



45 



Sum, 

 Half Sum, 



Dill', of the tv;oilifferences> - 



Half do, - .- - 



o. 2# ly 



2. ^IzzY 



■fc^^tfW p^ \ \ MfflTH^I^i^^-fc, 





8^^ 



I'lie half interval between the 



th, 18, 





two obferv. ofNov. 8' 



2 



ii 



2 



f 



Now bccaufe both the obfervations on tl 



14 



4 9 ^'=^2 



i^fecondday 



ihc fifjl day, X only gives the daily 



variation of the clock from apparent time; and th 

 portion for the equation, agreeable to the rule is,-.« 



c pro 



24'. :Y::Z: E. That is 24^ : 2', 31'^ 



,88=r:E 



: ;2\ 2\/^^-^' 



;f9: 12 



// 



And adding Z^ or the half interval, to the forenoon 



obfervation of Nov, 8^"h, 



Wehave9^58^3l''+2^2^49^':^I2 

 iVdd E, the cquat. becaufe the Sun's 



mcrid. altitude is daily decreafing 



a 



+ 12 



mean noon, Nov, S 



,88 



Wl 



true time of the 



3kUifc^l 



Sun's paffing mcrid. per clock, 



12". i'.32",88 



And thus the clock is i'. 32",88 fafler than apparent 

 time, on the noon of November 8th. 



Or fuppofe the correfponding altitudes as follows, 



„ Afternoon. 



Nov. 8.' 



Mornifig. 

 H. m. fee. 



H. m. fee. 



9- 



I / " ' 



DifF. between the morning ob 

 fervations of the two days, 

 DifiF. of the afternoon obfervations 



9- 58- 31 

 10. 4. 16 



2. 4- 39 

 2. 5. 22 



IJMdirt>-lkHHfrh 



5-45 



n 



43 



Vol. I. 



Sum, - 



X 



6 



n o 



Sum 



