0120 



Measurements of Lengths 



0120 



0120 Measurements of lengths, 

 areas, volumes, angles. 



CURVATURES. 



Changes of curvature, recognition by means of 

 flexible lath. Pickering, S. U. Ph. Mg. 33 

 (1892) 436-. 



Spherometer, accurate form. Weber, R. Neuch. 

 S. Sc. Bll. 24 (1896) 54-. 



and comparator, Abbe's. Pulfrich, C. Z. 

 Instk. 12 (1892) 307-. 



, magnifying apparatus for. Deprez, 



M. J. de Ps. 3 (1874) 52-. 

 ,forlenses. Czapski,S. Z. Instk. 7 (1887) 297-. 

 , liquid. Guglielmo, G. Bm. B. Ac. Line. 



Ed. 4 (1895) (Bern. 2) 336-. 



with microscope. Breithaupt, F. W. (& 

 Sohn). Carl Epm. 15 (1879) 462-. 



, sensitive, non-central screw. Common, A. A. 



Nt. 48 (1893) 396. 

 of simple construction. Guglielmo, G, 



Bm. B. Ac. Line. Ed. 2 (1893) (Sem. 1) 167-. 

 Spherometric and cylindrometric apparatus. 



Laurent, L. J. de Ps. 4 (1885) 361-. 



LENGTHS. 



Michaelis, 0. E. [1883] Am. S. CE. T. 13 



(*1884) 1-. 

 Accuracy of measurements. Lorber, F. Wien 



Berg-Hm. Jb. 24 (1876) 222-; 25 (1877) 



61-; 26 (1878) 221-. 

 Accurate measurement. Rogers, W. A. Am. 



S. Mcr. P. (1885) 151-. 

 Angles and lengths, photographic registration of 



readings. Lohse, 0. Cztg. Opt. 11 (1890) 49-. 

 Apparatus. Abbe, . D. Nf. Vh. (1890) 



(Th. 2) 88-. 

 . Guillemot, C. As. Fr. C. B. (1890) (Pt. 2) 



273-. 

 Barometer tubes, inner diameter. Jordan, . 



Cztg. Opt. 9 (1888) 91. 



Base-line apparatus, Brunner's, thermal ex- 

 periment on platinum-iridium and brass bars 



of. Fischer, A. As. Nr. 103 (1882) 33-. 



De/orges, (le comm.) . Par. S. Ps. Se. 

 (1891) 130-. 



measurement and apparatus. Westphal, A. 

 Z. Instk. 5 (1885) 257-, 333-, 373-, 420- ; 

 8 (1888) 189-, 225-, 337-. 



Bending of measuring rods, Neumann's method 

 of avoiding errors from. Wild, H. St. Pe"t. 

 Ac. Sc. Bll. 18 (1873) 569-. 



Cathetometer. Breithaupt, F. W. Carl Epm. 

 11 (1875) 175-. 



(Breithaupt's). Gerland, E. A. Ps. C. 

 4 (1878) 299-. 



. Loewenherz, L., & Czapski, S. Z. Instk. 



6 (1886) 257-. 

 . Hepites, S. C. [Bucarest S. Sc. Bl. 1 



(1892)] 54-, 133-. 

 , exact, of simple construction. Rosario, F. 



N. Cim. 3 (1896) 114-. 

 , , . Wadsworth, F. L. O. Am. 



J. Sc. 1 (1896) 41-. 



Cathetometer, improvements. Breithaupt, F. W. 



(& Sohn). Carl Bpm. 15 (1879) 325-. 

 , longitudinal, with glass scale. Fuess, R. 



Z. Instk. 6 (1886) 153-. 

 , new. Miller, F. (xn) Z. Instk. 3 (1883) 



409-. 

 , . Thury, . [1892] Arch. Sc. Ps. Nt. 



29 (1893) 103. 

 , , Dumoulin-Froment's. Terquem, A. 



Par. S. Ps. Se. (1883) 178- ; Lille S. Mm. 14 



(1885) 37-, 422-. 



Cathetometer s and other instruments, applica- 

 tion of thin gilt layers. Govi, G. Par. S. 



Ps. Se. (1876) 147-. 

 Centimetre "A." Ewell, M. D. Am. S. Mcr. 



P. (1886) 75-. 

 , correction of scale. Ewell, M. D. Am. 



S. Mcr. P. 11 (1889) 64-. 



, method for securing copies. Rogers, 

 W. A. Am. S. Mcr. P. 11 (1889) 109-. 



scales, comparison. Ewell, M. D. Am. S. 

 Mcr. P. (1887) 299-. 



Centimetres , standard , glass and speculum metal . 



Ewell, M. D. Am. S. Mcr. P. 13 (1891) 71-. 

 Chain test range at Melbourne Observatory. 



Ellery, R. L. J. Viet. B. S. P. 6 (1894) 



233-. 

 Comparator. Braun, F. A. Ps. C. 41 (1890) 



627-. 

 , Bessel's, and Steinheil's mirror apparatus. 



Steinheil, C. A. von. Munch. Sb. (1868) (2) 



493-. 

 , Brunner's, metric rulers and scales tested 



by. Broch, 0. J. Par. Poids et Mes. Tr. 



Mm. 7 (1890) B. 1-, 10. I-, B. I-. 

 , geodesic. Hirsch, A. Par. Poids et Mes. 



PV. (*1881) 27-. 

 , . Hirsch, A., <& Ibanez, (le gen.) . 



Par. Poids et Mes. PV. (1882) 28-. 

 , Schwerdt's, modified application. Krusper, 



I. [1868] (xn) Mag. Tud. Ak. Etk. (Mth.) 



[1] (No. 4) (1869) 15 pp. 

 , simple. Reitz, F. H. Z. Instk. 6 (1886) 



424-. 



for toise and metre, and for determining 

 expansion of bars. Steinheil, C. A. von. 

 Munch. Sb. (1870) (1) 1-. 



, vertical. Hepites, S. C. Eoum. I. Met. A. 



5 (1892) A 56-. 

 Comparators. Fizeau, H. A. Cons. Arts et 



Met. 10 (*1873) 86-. 

 . Krusper, I. [1873] (xn) Mag. Tud. Ak. 



Etk. (Mth.) 2 (1875) (No. 2) 19 pp. 

 . Wild, . Par. Poids et Mes. PV. (*1875- 



76) 73-. 

 . Rogers, W. A. (xn) Am. Mcr. J. 1 (1878- 



79) 208-. 

 , 2, description and investigation of accuracy. 



Stampfer, S. Wien Jb. Pol. I. 18 (1834) 



149-. 

 Comparison of measures and determination of 



their errors. Martins, A. Carl Epm. 6 



(1870) 65-. 

 by " Normal -Aichungs-Kommission." 



Pensky, B. Z. Instk. 15 (1895) 313-, 353-. 

 , simple method for exact. Stamkart, 



F.J. [1839] (vin) Arch.Neerl. 5 (1870) 15-. 



29 



