0080 Instruments 



0080 Instruments, including 

 Calculating Machines. Models. 



INSTEUMENTS. 



Algebraical machines. Torres, L. As. Fr. C. 



R. (1895) (Pt. 2) 90-. 

 Angle, correction for tilt of horizontal circle. 



Matzka, W. Grunert Arch. 13 (1849) 113-. 

 , instrument for dividing into equal parts. 



Gouin, E. Les Mondes 12 (1866) 470-. 



measurer. Heineken, N. J. Intell. Obs. 8 



(1886) 197-. 



for schools. Fischer, F. W. [1876] 



Arch. Mth. Ps. 61 (1877) 99-. 

 , mechanical division. Perrin, E. [1875] 



Par. S. Mth. Bll. 4 (1876) 85-. 

 _, . Brocard, H. [1876] Par. S. Mth. 



Bll. 5 (1877) 43-. 

 Antigraph, a reversing drawing instrument. 



Marcus, S. Wien SB. 17 (1855) 282-. 

 Arcs, instrument for drawing. Alderson, Jas. 



Gill Tech. Hep. 10 (1829) 128-. 

 Area, moment of inertia, and centre of gravity 



of a plane area, apparatus for giving. Col- 



lignon, E. (ix) A. Pon. Chauss. 3 (1872) 



223-. 

 Arithmoplanimeter. Lalanne, L. Par. A. Pon. 



Chauss. 20 (1840) 3-. 



Axonometric drawing, protractors for, prepara- 

 tion. Anon, (vi 316) Giving. 7 (1861) 83-. 

 Besson, Jacques, (t!569), (Mathematical in- 

 struments). Beck, T. Giving. 36 (1890) 



191-. 

 Calculating machine. Cunq's "machine a 



debits," for calculating quantity of water 



flowing through an orifice. Sornin, J. Toul. 



Mm. Ac. 6 (1856) 346-. 

 Calculimeter (sort of slide rule). Fenton, J. J. 



Viet. B. S. P. 2 (1890) 84-. 

 Chinese abacus or souan-pan. Rodet, L. Par. 



S. Mth. Bll. 8 (1880) 158-. 

 Circles, instrument for dividing on paper. 



Balfour, J. M. (vi Adds.) [1859] Edinb. T. 



Sc. S. Arts 5 (1861) 149-. 



with remote centres, construction. Fischer, 

 E. Dingier 294 (1894) 133-. 



Circular arcs, instrument for use of mechani- 

 cians for comparison of. Sipos, P. (vi Adds.) . 

 Berl. Sm. D. Ab. 2 (1796) 201-. 



Compass, bicentric. Maze (I'abbe) C. Les 

 Mondes 8 (1884) 703-. 



for drawing spirals. Hartung, A. Dingier 

 266 (1887) 12-. 



, elliptic, new. Jost, K. Wien Ak. Sb. 95 



(1887) (Ab. 2) 251-. 



, hyperbolic. Eeichelt, K. F. Cztg. Opt. 

 17 (1896) 208. 



Compasses, copying , a simple form of panto- 

 graph. Sedlaczek, J. Wien SB. 16 (1855) 

 180-. 



, elliptic. Burchard, L. Carl Bpm. 13 

 (1877) 528-. 



, improvement. Mollinger, 0. Sch. Gs. 

 Vh. (1850) 52-. 



, proportional. Narrien, J. Thomson A 

 Ph. 8 (1816) 338-. 



Instruments 0080 



Compasses, proportional. Butkevlch, F. S. (xn) 



[1873] Mosc. S. Sc. Bll. 39 (No. 2) (1880) 



128-. 

 _, _. Palacios, D. Mex. S. " Alzate " Mm. 



7 (1893) 193-. 

 , trisecting, Laisant. Brocard, H. Par. S. 



Mth. Bll. 3 (1875) 47-. 

 Conic section compass. Meyn, R. Giving. 8 



(1862) 247-. 

 compasses. Frizell, J. P. Camb. (M.) 



Mth. M. 1 (1859) 262-. 

 , Drzewiecki's for direct construction 



of conies with mathematical pen. Kuhn, M. 



Carl Bpm. 10 (1874) 420-. 



sections, instrumentfor drawing. Rebicek, G. 

 Carl Bpm. 11 (1875] 64-. 



Curve description; kinograph. Engelmeier, 

 P. K. [1886-89] Mosc. S. Sc. Bll. 65 (No. 1) 

 (1890) 89-. 



for drawing curves (elastic lamina) ' ' tira- 

 curve-opisometer." Rossi Re, V. de. Bm. 

 N. Line. At. 33 (1880) 232-. 



tracer. Pirani, E. Arch. Mth. Ps. 1 (1884) 

 113-. 



and root finder. Bashforth, F. B. A. 



Bp. (1845) (pt. 2) 3-. 



tracing apparatus. Cayley, A. L. Mth. S. 

 P. 4 (1871-73) 345-. 



, designing of apparatus for. TJiallmayer, 



V. Carl Bpm. 14 (1878) 713-. 

 machine. Dechevrens, M. C. B. 130 



(1900) 1616- . 

 , mechanical. Jessop, C. M. QJ. Mth. 



22 (1887) 151-. 

 Curves described by Jopling's apparatus, nature. 



Tredgold, T. Tilloch Ph. Mg. 62 (1823) 211-. 

 , mechanical description. Russell, W. H. L. 



[1869] B. S. P. 18 (1870) 72-. 

 Curvimeter (for finding length of curves). 



Crane, W. R. Kan. Un. Q. 4 (1896) 121-. 

 Cycloids, description. Kracht,H. Dingier 289 



(1893) 108-. 

 Descriptive geometry, apparatus for illustrating. 



Hoza, F. Arch. Mth. Ps. 53 (1871) 188-. 

 , teaching. Weissand, . N. A. 



Mth. 14 (1855) 47-. 

 Diagonal scale principle applied to angular 



measurement in circular slide-rule. Campbell, 



J. R. L. Mth. S. P. 6 (1875) 73-. 

 Diagrammometer, cypher. Kozlov, V. S. Bs. 



Ps.-C. S. J. 23 (Ps.) (1891) 180- ; C. E. Ill 



(1890) 166-. 

 Difference engine, new. Grant, G. B. Am. 



J. Sc. 2 (1871) 113-. 

 Division of angles and arcs of circles. Murphy, 



I. J. Belfast NH. S. Ep. & P. (1892-93) 47-. 

 straight line into equal parts, machine 



for. Soave, F. Verona Mm. S. It. 8 (1799) 



56-. 

 toothed wheels, machine for. Glasser, 



A. von. Dingier 252 (1884) 56-. 

 Drawing instruments, especially ellipsographs 



in theory and practice. Fischer, E. Dingier 



255 (1885) 188-, 217-, 261-. 

 Egg-oval, perfect, machine for drawing ; and 



advantageous method of producing curvilineal 



figures. Hay, D. R. Edinb. N. Ph. J. 40 



(1846) 331-. 



34 



