to the Method of Least Squares. 



231 



Geodetic observations. 155, 156, 162, 17], 

 177, 179, 181, 182, 185. 186, 191, 195, 

 202, 203, 204, 206, 210, 211, 212, 222. 



Gunnery, 199, 204, 212, 219, 220, 225. 



Historical books or papers, 168, 180, 188, 



193, 207, 209, 215, 216, 220, 221, 227. 

 Hydraulics, 160, 226. 



Indeterminate corrections, 160, 173. 

 Indirect observations, 203. 

 Interpolation, 181, 186, 189, 196, 197, 201, 



205, 206, 207, 209, 215, 219, 225, 226. 

 Instiuments, theory of, 217, 222. 



Latitude, 205. 



Limits of error, 156, 157, 159, 170. 



Levelling, 172, 180, 184, 191, 223. 



Literature of Geodesy, 232. 



Linear measurements, 163, 189, 201, 206, 



207, 211, 218. 

 Longitude, 176, 193, 200, 207. 



Magnetic declination, 157, 201, 208. 

 Mean error, 175, 188, 191, 193, 199, 209, 



218, 219. 

 Mean results, 157, 159, 167, 173, 197, 200. 

 Measure of precision, 174, 176, 178, 197, 



206. 

 Metaphysics of Least Squares, 186, 1 87,1 88. 

 Meteorology, 186, 196, 208. 

 Mining surveying, 212. 

 Moon, 155, 200. 



Most advantageous result, 162, 167, 171. 

 Most plausible result, 174, 217. 

 Most probable result, 154, 160, 163, 167, 



175," 197, 214, 221. 



Normal equations, 161, 165, 166, 175, 181, 

 184, 187, 188, 201, 208, 216, 220, 222, 

 223, 226. 



w-point problem, 174, 185, 201, 210. 



Notation, 161, 166, 220. 



Observing, 176, 227. 



Orbits, computation of, 156, 160, 162, 166, 



169, 171, 216. 

 Optics, 156, 203. 



Parabola, 179. 



Periodic phenomena, 177, 185, 208, 226. 



Personal equation, 207, 210, 214, 220. 



Powers of errors, 170, 196, 210, 226. 



Planets, 154, 166. 



Priority regardingMethod of Least Squares, 



160-168, 175, 207, 215. 

 Precision of observations, 156, 165, 169, 



174, 178, 201, 218. 

 Proofs of the principle of Least Squares, 



see pp. 153-154, 209. 

 Probable error, 168, 169, l7o, 172, 175, 



183, 193, 194, 200, 211, 21.3, 214, 218, 



219, 221, 223, 224, 225, 226. 



Quadrilateral, 205. 



Residual errors, 165, 169, 170, 173, 175, 



176, 200, 211. 

 Repetition of angle measurements, 181, 



202, 218. 



Seconds pendulum, 157, 160, 170, 172. 



Social science, 181, 189, 213, 219. 



Series, adjustment of, 209, 219, 223, 226. 



Sources of error, 182, 183, 194, 200, 214. 



Squares of numbers, 184, 216. 



Stars, 168, 171, 172. 



Statical analogy, 154, 161, 188, 198, 220. 



Statistics, 177, 184, 189, 192. 219, 224. 



Sun, distance of, 174. 



Surveying, 155, 163, 165, 171, 185, 205. 



Tables, 160, 170, 180, 183, 187, 190, 198, 

 199, 208, 215, 216. 



Temperature, 186. 



Te.xt-books or treatises on the Method of 

 Least Squares, 165, 179, 180, 182, 185, 

 187, 193, 198, 199, 202, 203, 205, 206, 



207, 208, 211, 213, 215, 216, 217, 222, 

 226. 



Transit observations, 193, 198, 199, 203, 



205, 214, 225. 

 Triangles, 154, 205. 

 Triangulations, 160, l7l, 177, 181, 187, 



189, 192, 195, 200, 204, 211, 213, 215, 



216, 224, 232. 



Weighting of observations, 154, 173, 217, 



221. 

 Weights, 165, 171, 173, 177, 178, 179, 181, 



183, 184, 185, 188, 193, 194, 195, 201, 



208, 216, 218, 222. 



Zenith telescope, 199, 205. 



ERRATA. 



Page 172, line 21 from foot, /or Remarks read 'Remarks. 

 " 173, "11 " top, " Jai " J'ai. 



" 179, " 8 " foot, " unliekannten read unbekannten. 



