0807 



Measurement of Lengths 



Bending of measuring rods, Neumann's method 

 of avoiding errors from. Wild, H. St. Pet. 

 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-. 



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



6 (1886) 257-. 

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



(1892)] 54-, 133-. 

 , catadioptric. Petzelt,J. Forster Al. Bauztg. 



9 (1844) 275-. 

 , exact, of simple construction. Rosario, F. 



N. Cim. 3 (1896) 114-. 

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



J. Sc. 1 (1896) 41-. 



or horizontal microscope of Leitz. Anon. 

 Mcr. S. J. (1900) 108-. 



, improvements. Breithaupt, F. W. & Sohn. 



Carl Epm. 15 (1879) 325-. 

 , longitudinal, with glass scale. Fuess, R. 



Z. Instk. 6 (1886) 153-. 

 , microscope-. Boys, C. V. [1889] Mcr. 



S. J. (1890) 238-. 

 , 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-. 



Cathetometers and other instruments, applica- 

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

 , Ps. Se. (1876) 147-. 

 Centimetre "A." Swell, 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. E. 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, O. 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., & Ibariez, (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-. 



0807 



.Comparator, 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. (M875- 



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) 



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-. 

 .Curve measurer. Hammer, . Z. Instk. 9 



(1889) 130-. 



. Demmel, K. Z. Instk. 10 (1890) 360-. 



. (Curvimeter.) Hammer, E. Z. Instk. 



15 (1895) 278-. 



Curves, self-registering instrument for. (Peri- 

 meter.) Blix, M. G. [1881] (xn) Ups. Lak. 

 F. 17 (1882) 107- ; Z. Instk. 2 (1882) 140-. 



Dilatometer, Abbe's. Fuchs, . Humb. 9 



(1890) 95. 



Distance measurer for carriages. Edgeworth, W. 

 Edinb. J. Sc. 3 (1825) 93-. 



at sea, estimation from objects of known 

 height. C. Madras J. 2 (1835) 338-; 3 (1836) 

 57, 141. 



Distances, evaluation, law. Lehot, C. J. Fe'rus- 



sac Bll. Sc. Mth. 5 (1826) 17-. 

 Dividing engine, Sommer & Eunge's. Scheel, 



K. Z. Instk. 16 (1896) 321-. 

 End-measures (mesures a bouts), automatic 



registering apparatus for comparison. Hart- 



mann, L. C. E. 120 (1895) 1024-. 

 ( ), (Hartmann). 



Corny, . C. E. 120 (1895) 1027-. 

 , best form for ends. Miller, W. H. 



[1870] (vm) Camb. Ph. S. P. 2 (1876) 182. 



, comparison with mesures a traits. 

 Miller, W. H.. [1872] (vm) Camb. Ph. S. P. 

 2 (1876) 251-. 



and a new principle of comparison. 

 Steinheil, C. A. von. Munch. Sb. 1 (1863) 

 329-. 



Expansion and length determinations, appa- 

 ratus for. Fernet, J. Arch. Ne"erl. 5 (1900) 

 395-. 



Expansions and comparison of metre rulers and 

 scales. Benoit, J. R. Par. Poids et Mes. Tr. 

 Mm. 2 (*1883) C. 1-, C. I-; 3 (1884) C. 1-, 

 C. I-; J. de Ps. 8 (1889) 253-, 451-. 



, Fizeau's apparatus for measuring. Benoit, 

 J. R. Par. Poids et Mes. Tr. Mm. 1 (*1881) 

 C. 1-. 



, method of measuring. Benoit, J. R. 

 Par. Poids et Mes. Tr. Mm. 6 (1888) 193 pp. 



Extensometer, new form. Garratt, H. A. I. 

 CE. P. 128 (1897) 321-. 



Gauge, cover-glass, Beck's. Anon. Mcr. S. J. 

 (1900) 516. 



95 



