OP ARTS AND SCIENCES. 



355 



Series II. — Continued. 



EQUATIONS OF CONDITION BETWEEN METERS C.S. AND S. 



Normal Equations. 



+5942.1 = 21 a + 130.51 6 b = —34.82 



—67160.4 = +130.51 a + 3800.56 6 a = +499.2 



