0050 



Appendix 



0410 



Mathematical study at Cambridge. Gautier, A. 

 Bb. Un. 26 (1824) 161-, 243-. 



0080 



(For integrators and planimeters see 

 also Mechanics 0120.) 



INSTRUMENTS. 



Compasses, homographic. Koenigs, G. C. R. 



131 (1900) 1179-. 

 , universal. Weber, L. Carl Bpm. 16 (1880) 



388. 

 Curve-tracing, use of flexible metallic strip in. 



Resal, H. A. C. R. 78 (1874) 709- ; Par. EC. 



Norm. A. 4 (1875) 191-. 

 Curves of 2nd degree of a continuous motion, 



apparatus for tracing. Uchard, A. Rv. Artl. 



15 (1879) 496-. 

 Division of circle, apparatus for. Anon. 



Gilbert A. 65 (*1820) 329-. 

 , (Anon). Liebherr, J. Gilbert 



A. 67 (1821) 109-. 

 , (Liebherr). Reichenbach, G. R. 



Gilbert A. 68 (1821) 33-. 

 , - (Reichenbach). Liebherr, J. 



Gilbert A. 69 (1821) 320-. 

 Drawing instrument for circles and other 



curves. Cerebotani, L. Rm. N. Line. At. 



46 (1893) 11-, 86-. 

 envelopes, and application to teeth of 



wheels, etc. Hele-Shaw, H. S. B. A. Rp. 



(1898) 619-. 

 parabolic curves. Inwards, R. L. Ps. 



S. P. 11 (1892) 337-; Ph. Mg. 34 (1892) 57-. 

 Graphometer for interpolating values in curves. 



Hensen, V. Z. Instk. 20 (1900) 357-. 

 Instrument for describing spiral of Archimedes. 



Quinby, A. B. Silliman J. 9 (1825) 316-. 

 Integrators. Abdank Abakanowicz, B. Lum. 



Elect. 27 (1888) 23-. 



and integral curve. Aubert, . A. Cond. 

 Pon. Chauss. 31 (1887) (Pt. 1) 165-. 



Line divider. Marks, (Miss) S. L. Ps. S. P. 



7 (1886) 1-; Ph. Mg. 19 (1885) 280-. 

 Oval tracer. Rebicek, G. Z. Instk. 17 (1897) 



289-. 

 Pantographs. Fischer, (Prof.) E. Carl Rpm. 



1 (1866) 257-. 

 , graduation. Woollgar, J. W. Tilloch Ph. 



Mg. 59 (1822) 401-. 

 Planimeter, Amsler's, "no-rolling" curves. 



Morley, F. A. Mth. 1 (1900) 21-. 

 , new. Fessenden, C. Cn. I. P. 5 (1888) 27-. 

 , polar. Barbarin, P. N. A. Mth. 19 (1880) 



212- ; 20 (1881) 266-. 

 , , problem. Echols, W. H. [1889] A. 



Mth. 5 (1889-90) 9-. 



for rectangular coordinates. Schmidt, J. 

 Giving. 26 (1880) 437-. 



Reduction-compasses. Schiereck, P. F. Ding- 

 ier 82 (1841) 265-. 



, improvement. Prony, R. de. Par. A. Pon. 

 Chauss. 9 (1835) 81-. 



Registering instruments. Gassier, J. F. Rouen 

 Tr. Ac. (1833) 74-. 



Scale, Marquoi's, improved. Marks, W. D. 



Franklin I. J. 75 (1878) 418-. 

 Spherical integrator, modifications of a form of. 



Ventosa, V. Ph. Mg. 23 (1887) 381. 



CALCULATING MACHINES. 

 Buniakovskij, V. Ja. St Pet. Ac. Sc. Mm 



(Rs.) 27 (*1876) (App.) No. 4, 28 pp. 

 Algebraic machines. Torres, L. C. R. 121 



(1895) 245-. 

 Difference-calculating engine of Scheutz. Bab- 



bage, H. P. (vi Adds.) CE. I. P. 15 (1855- 



56) 497-. 

 Principle of moments. Auchincloss, W. S. 



Am. .S. CE. T. 10 (1881) 135-. 

 Sonne's calculating machine. Hoyer, (Inspect.) 



. A. G6n. Civ. 5 (1866) 111-. 



MODELS. 



Cubic surface with 27 real lines. Frost, P. 



QJ. Mth. 18 (1882) 89-. 

 Equatorial surfaces, Pliicker's models. Cayley, 



A. L. Mth. S. P. 3 (1869-71) 281-. 

 Peaucellier cell. Peaucellier, A. N. A. Mth. 



12 (1873) 71- 

 . Lemoine, E. As. Fr. C. R. (1874) 122- ; 



Par. Ing. Civ. Mm. (1875) 247-. 

 and circular inversion. Baker, A. L. 



[1894] Rochester (N. Y.) Ac. Sc. P. 2 (1895) 



256-. 

 Riemann surfaces. Durege, H. Prag Sb. (1864) 



(Pt. 2) 112-. 

 Skew curves of 4th degree. Rohn, C. D. Mth. 



Vr. Jbr. 1 (1892) 43-. 



surfaces, construction of paper models. 

 Schonemann, P. Z. Mth. Ps. 28 (1883) 243-. 



Vernier, model. Mannheim, A. J. de Ps. 2 

 (1873) 392-. 



0090 



Abacus, logarithmic, for cable calculations. 



Bois, J. Lum. Elect. 39 (1891) 375-. 

 Graphic methods of solving electrical problems. 



Guerout, A. Lum. Elect. 9 (*1883) 113-. 

 Nomographic method. Ocagne, M. d'. C. R. 



126 (1898) 397-. 

 , application to equations with variables 



up to 10. Ocagne, M. d\ C. R. 117 (1893) 



216-, 277-. 

 Nomography. Ocagne, M. d'. Par. EC. Pol. 



J. 4 (1898) 205-. 

 Periodic curves, analysis. Boucherot, P. Lum. 



Elect. 49 (1893) 251-. 



functions, instruments for analysis. Hess, 

 A. Lum. Elect. 52 (1894) 551-. 



Plane representation of equations with four 

 variables. Ocagne, M. d'. C. R. 112 (1891) 

 421-, 504. 



0400 



Negative and imaginary quantities. Vidal, S. 

 E. [1887] I. Egypt. Bll. 8 (1888) 31-. 



0410 



Weights problem. Clausen, T. Crelle J. 7 

 (1831) 30-. 



655 



