LONGITUDE OF THE TOHOKTO OBSERVATORY. 



35 



TABLE II. — Conthni>'d. 

 Observations of September 5, 1883, Toronto. 



Normal equations; 



= +50.936rfa 

 = +13.841rfa' 

 = -69.848c/« 

 = - 0.720rf« 



-69.848* 

 +13,20.5A' 

 +13.205(/.i' 

 + 2-150(/(i' 



+ 



+1 



+ 



0.720f/( + 0.011 



2 150r/( - 0.117 



r5.129(A-- + 5.770rf( -5 940 



5 770rfc +29.000(7/ -O.UO 



Whence <A> = +076. da' = -.057, d,- = 



oil this night « = + 200, a = +.100, (■ = 



Whence total azimuth hefore reversal = '( + da = 



after " = "'+ da' = 



" CoUiniation (Clamp West) = c + (fc = 



Clock error = ' + dt — 



anil prohable error = i .037 sec. 



+.069, 

 +.150, 

 +.276 

 +.043 

 +.219 

 4ni. 50.206 sec. 



til = -.004, weight of dt = 28.544 



/ = 4m. 56 21 sec. 



