0120 



Measurements of Areas 



0120 



Steel ribands, accurate measurement by. 

 Knibbs, G. H. N. S. W. E. S. J. 19 (1886) 

 29-. 



tapes, long, use in U.S. Coast and Geodetic 

 Survey. Woodward, R. S. Am. S. CE. T. 

 30 (1893) 81-, 638-. 



Temperature correction of measurements. 



Stadthagen, H. Z. Instk. 15 (1895) 280-. 

 , measuring instrument independent of. 



Guillemot, . As. Fr. C. E. (1891) (Pt. 2) 



192-. 



variations, measure of length unaltered by. 

 Soldi, H. C. E. 69 (1869) 954. 



under presumably the same condition, 



importance in length standardisation. Blair, 

 H. W. Science 1 (*1883) 239-. 



Thermometers, comparison, in length standard- 

 isation. (Presidential address, Aug. 1887.) 

 Rogers, W. A. Am. S. Mcr. P. (1887) 5-. 



Thickness, etc., application of rotating disk or 

 wheel to measurement. Amsler-Laffon, J. 

 Arch. Sc. Ps. Nt. 28 (1892) 362-. 



of cotton yarns, by microscope. Turner, E. 

 H. Manch. Mcr. S. T. (1889) 40-. 



measuring instrument, precise. Halle, G. 

 Z. Instk. 16 (1896) 296-. 



, measuring wedge. Scho)iemann,P. A. Ps. 

 C. 146 (1872) 612-. 



of silvered glass, apparatus for measuring. 

 Orsted, H. C. Kiob. Ov. (1844) 142-. 



Thin plates, measurement. Sharp, C. H. A. 



Ps. 3 (1900) 210-. 

 Variation of length of bars under action of their 



own weight. Silbermann, J. T. C. E. 38 



(1854) 825-. 

 Vernier, application. Oliveira, C. B. de. [1854] 



Ev. Brazil. 1 (1857-58) 29-. 



for line or curve with unequal divisions. 

 Artur, J. F. Par. Bll. S. Encour. 50 (1851) 

 676-. 



Wave-length of light as standard. Govi, G. 



[1871] Tor. At. Ac. Sc. 7 (1871-72) 115-. 

 . Michelson, A. A., & Morley, 



E. W. Am. J. Sc. 38 (1889) 181-. 

 sodium light as standard. Michelson, 



A. A., & Morley, E. W. Am. J. Sc. 34 



(1887) 427-. 

 lengths, angular, length and spectrometric 



measurements. Michelson, A. A. Am. J. 



Sc. 39 (1890) 115-. 

 and interferential methods in metrology. 



Michelson, A. A. J. de Ps. 3 (1894) 5-. 

 . Benoit, R. J. de Ps. 7 



(1898) 57-. 



, measurement by. Mace de Lepinay, J. 



C. E. 100 (1885) 1377- ; J. de Ps. 5 (1886) 



405- ; A. C. 10 (1887) 68-; J. de Ps. 2 (1893) 



365- ; A. C. 5 (1895) 210-. 

 , . Shaw, W. N. Camb. Ph. S. P. 



6 (1889) 100. 

 , . Perot, A., i& Fabry, C. A. C. 



12 (1897) 459- ; C. E. 126 (1898) 1779-. 

 , of cube in terms of. Fabry, C. , Mac6 



de Ltpinay, J., & Perot, A. C. E. 128 



(1899) 1317-. 



, value of standard metre in terms of. 



Michelson, A. A. C. E. 116 (1893) 790-. 



Wire gauge, standard. Egleston, T., Metcalf, 

 W., & Weeks, Jos. D. [1877] Am. I. Mn. E. 

 T. 6 (*1879) 500-. 



, , new British. Anon. Franklin I. J. 



118 (1884) 95-. 



gauges. Trotter, A. P. Elect. 24 (1890) 



AEEAS [and cross sections}. 



(See also Pure Mathematics 0080, In- 

 struments.) 



Areas, instrument for. (Tachymeter.) Cairo, 

 G. C. E. 3 (1836) 140, 200, 245-, 384. 



, . ( .) Bertini, M. [1840] Lucca 



At. Ac. 11 (1842) 197-. 



, method of finding. Wiener, A. E. Dingier 

 311 (1899) 131-. 



, sources of error in measurement. Louis, 



0. T. Franklin I. J. 135 (1893) 83-. 

 Cross section of solid body, determination. Zetz- 



sche, E. Schlomilch Z. 4 (1859) 341-. 



wire, calculation in determination of 



electric resistances. Isaachsen, D. Arch. 

 Mth. Ntvd. 12 (1888) 118-. 



sections and closed plane polygons. Piton- 

 Bressant, L. A. Pon. Chauss. 4 (1892) 

 498-. 



, determination of surfaces. Siegler, . 



A. Pon. Chauss 1 (1881) 98-. 

 , railway, graphic determination of areas. 



Dubret, . V. Nost. Eng. Mg. 28 (1883) 



Curve and area integrating machine . (Paninte- 

 grimeter.) Kohlmorgen, 0. Z. Instk. 16 

 (1896) 333-. 



Integrator, J. Amsler's, uses in naval archi- 

 tecture. Amsler, A. Nv. Archt. T. 25 

 (1884) 189-. 



Integrators, mechanical. Hele Shaw, H. S. 



1. CE. P. 82 (1885) 75-. 



Planimeter (pediometer). Schiereck, P. F. 



Dingier 82 (1841) 251-. 

 , Amsler's. Schmidt, G. Dingier 221 (1876) 



87- ; 222 (1876) 584-. 

 , combined. Kloht, F. Z. Instk. 5 (1885) 



, history. Wolf, It. Ziir. Vjschr. 37 (1892) 



111- ; 38 (1893) 3-. 

 , Petersen's. Lamotte, . Par. S. Ps. Se\ 



(1896) 82-. 

 , polar. Lieblein, J. Grunert Arch. 38 



(1862) 146-. 

 , . Kajaba, J. [1882] Wien Ak. Sb. 86 



(1883) (Ab. 2) 635-. 

 , . Hammer, E. Z. Instk. 15 (1895) 



90-. 



, . Bohn, C. Z. Instk. 17 (1897) 54. 

 , , Hamann's. Hammer, E. Z. Instk. 16 



(1896) 361- ; 17 (1897) 96. 

 , , new control arm for. Hammer, E. Z. 



Instk. 17 (1897) 115-. 

 , sphere, new. Hele Shaw, H. S. B. A. 



Bp. (1888) 584-. 

 Planimeters, construction. Amsler-Laffon, J. 



Z. Instk. 4 (1884) 11-. 

 Quadrature, graphic method. Collignon, E. 



A. Pon. Chauss. 13 (1887) 9-. 



