0807 



Measurement of Lengths 



Gauge, new (calibre a bee logarithmique). 

 Eijk, J. A. van. Utr. Aant. Prv. Gn. 

 (1853-54) 53-. 



Gauges, metal, with micrometer-screw, ap- 

 plication to measurement of thicknesses of 

 Karmarsch, K. Dingier 135 (1855) 



for thickness of sheet metals, and new 

 system founded on decimal subdivision of 

 standard inch. Holtzapffel, C. Franklin I. 

 J. 14 (1847) 116-, 204-. 



Geodetic Association, measurements made by. 

 Baeyer, (gen.) . A. Cons. Arts et Met. 10 

 (*1873) 159-. 



Graduations, new method of tracing and ob- 

 serving. Hichelson, A. A. Par. Poids et 

 Mes. PV. (1899) 181-. 



Hodometer, ancient. Babbini, G. Firenze A. 

 Ms. Imp. 2 (1810) (pte. 2) 13-. 



for carriages. Edgeworth, R. L. Nichol- 

 son J. 15 (1806) 81- ; Gilbert A. 33 (1809) 483-. 



"Ilahy Guz" of Emperor Akbar, measure- 

 ment. Cracroft, W. Beng. J. As. S. 3 



. (1834) 360-. 



Influence of length of measuring rod. Lorber, 

 F. Wien Berg-Hm. Jb. 34 (1886) 365-. 



Instruments for fine measurements. Kar- 

 marsch, K. Wien Jb. Pol. I. 18 (1834) 28-. 



Interference fringes, measurement of small 

 thicknesses by. Fabry, C., & Perot, A. 

 C. B. 123 (1896) 802-, 990- ; A. C. 12 (1897) 

 459-. 



phenomena, application in metrology. 

 Benoit, E. Par. S. Ps. Se. (1897) 95-. 



Leptpmeter, instrument for small measure- 

 ments. Sandberger, G. Nass. Jb. 10 (1855) 

 83-. 



Mechanical testing, measurement in. Unwin, 

 W. C. L. Ps. S. P. 8 (1887) 179- ; Ph. Mg. 

 23 (1887) 282-. 



Merometer for reading small fractions on 

 divided scale. Porro, I. C. B. 39 (1854) 

 244-. 



Metre, auxiliary, determination. Benoit, J. R., 

 & Guillaume, C. E. Par. Poids et Mes. Tr. 

 Mm. 11 (1895) 87-. 



, standard, effect of friction in hindering 

 expansion. Haus, H. A. Cons. Arts et 

 Met. 10 (*1873) 181-. 



, , prototypes, instruments and measure- 

 ments, description. Benoit, J. R., & Guil- 

 laume, C. E. Par. Poids et Mes. Tr. Mm. 

 10(1894)44 + ccclxvipp. 



, standards, comparison in air at different 

 temperatures. Fernet, J. Par. Poids et 

 Mes. Tr. Mm. 4 (1885) 170 + xxxn + civ pp. 



Micrometer, Airy's double image, conditions of 

 use. Oudemans, J. A. C. Amst. Ak. Vs. 

 M. 5 (1889) 149- ; Fschr. Ps. (1889) (Ab. 1) 

 29. 



, dioptric. Werner, W. (xn) Z. Instk. 1 

 (1881) 137-. 



, electric. Shaw, P. E. [1900] L. Ps. S. 

 P. 17 (1901) 431- ; Ph. Mg. 50 (1900) 537-. 



, eye-piece-, Bogers's. Ward, R. H. Mcr. 

 S. J. (1889) 443-. 



, filar, improved. Bulloch, . Mcr. S. J. 

 (1891) 106-. 



0807 



Micrometer, form. Govi, G. C. B. 87 (1878) 

 557-. 



for measuring slender strings. Liidicke, 

 M.A.F. Gilbert A. 1 (1799) 137-. 



ruling machine. Smith, D. W. Mcr. S. J. 

 (1897) 438-. 



, Nobert's. Mayall, J. (jun.) Mcr. 



S. J. 5 (1885) 377-, 580. 



rulings and test plates, Grayson's. Nelson, 

 E. M. Mcr. S. J. (1898) 690- . 



, screw-. Darling, S. Mcr. S. J. (1887) 652-. 

 , . Knorre, V. As. Nr. 125 (1890) 321-. 



screws. Reichel, C. (xn) Z. Instk. 1 

 (1881) 14-, 51-, 73-. 



, construction of accurate. Schroeder, H. 



Z. Instk. 13 (1893) 217-. 



, , apparatus. Bamberg, C. (xn) Z. 

 Instk. 3 (1883) 238-. 



, , . Wanschaff, J. (xii) Z. Instk. 3 



(1883) 350-. 



, , (Bamberg and Wanschaff). Le- 



man,A. (xn) Z. Instk. 3 (1883) 427-. 



, , . Werther, J. Z. Instk. 14 (1894) 



381-, 426-. 



, of long. Wanschaff, J. Z. Instk. 4 



(1884) 166-. 



, progressive errors. Broch, 0. J. Par. 

 Poids et Mes. Tr. Mm. 5 (1886) 82 pp. 



, testing. Koch, K. R. [1882] A. Ps. C. 



18 (1883) 511- ; Freiburg B. 8 (*1885) 123-. 

 , single-lens, description. Wollaston, W. H. 



Phil. Trans. (1813) 119-. 

 , stage-, new. Nelson, E. M. Mcr. S. J. 



(1890) 508- . 



wire gauge. Smith, J. C. [1895] Sc. S. 

 Arts T. 14 (1898) 28-. 



Micrometer-microscopes, Nobert's. Anon. Mcr. 



S. J. (1890) 86-. 

 Micrometer -point, Finger's reduction - tables. 



Hagen, H. A. Stett. E . Ztg. 20 (1859) 284-. 

 Micrometers, filar. Rogers, W. A. Am. Mcr. 



S. P. 14 (1892) 132. 

 , glass versus metal. Swell, M. D. Mcr. 



S. J. (1889) 445-. 

 , machines for making. Peuvion, . Lille 



Mm. S. (1847) 5-. 

 , registering arrangement for. Vogel, H. C. 



(xn) Z. Instk. 1 (1881) 391-. 

 Micrometric measurements. Swell, M. D. 



Mcr. S. J. (1889) 447. 

 . Rogers, W. A. Am. Mcr. S. P. 15 



(1893) 31-. 

 , comparative. Hamilton, J. A. [1805] 



Ir. Ac. T. 10 (1806) 109-. 



, errors due to imperfect focussing. 

 Bosscha, J. Delft EC. Pol. A. 2 (1886) 89-. 



, graphical representation. Knorre, V. 



(xn) Z. Instk. 1 (1881) 213-. 



, probable error. Morley, E. W. (xn) 

 Am. Mcr. J. 1 (1878-79) 93-. 



Micrometry, amplification in. Swell, M. D. 

 Mcr. S. J. (1890) 521. 



with the microscope. Love, E. G. [1895] 

 Mcr. S. J. (1896) 245-. 



Microscope, reading (Geneva Co.'s). Anon. 



Mcr. S. J. (1887) 643. 

 , (Cambridge Scientific Instrument Co.'s). 



Anon. Mcr. S. J. (1887) 643. 



96 



