478 



OPPOSITION OF MAES, 1849-50, 



Coincidence of wire* to be applied ; and as the zero wire wt* not duturbed throughout, but the telescope moved in declination to buect the itar, 



the coincidence appllei to all. 



30.0038 300081 



Mean = 30.006 rev. 1 rev. = 96 .08925. 



AfUr unto meare, poritiun circle vernier* turned 180*. 

 thr m'n of *ertw above ami tcrrw below. 



Screw-head now below. Tbe crora eliminate* the coincidence of Uie wire* by taking 



