6830 



Trigonometry. Angle-division. Trisection 



6830 



Compass, variation, graphical method of deter- 

 mination. SalicJwn, (le It.) H. Bv. Mar. et 

 Col. 124 (1895) 341-. 



Cotes's property. Brinkley, J. [1797] Ir. Ac. 

 T. 7 (1800) 151-. 



theorem deduced from formula in cosines of 

 multiple arcs. Fergola, N, Nap. At. Ac. 1 

 (1819) 249-. 



and De Moivre's. Arndt, F. Grunert 



Arch. 11 (1848) 181-. 

 , theorems related to. Gregory, D. F. 



(vi Adds.) Camb. Mth. J. 3 (1843) 144-. 

 Decimal division of angles and time. Yvon- 



Villarceau, A. C. B. 70 (1870) 1233- ; 71 



(1870) 362-. 

 . Mendizdbal Tamborrel, J. de. 



Mex. S. "Alzate" Mm. 10 (1896) 285-. 

 . circles, etc., and remarks on tables. 



Sang, E. Edinb. B. S. P. 12 (1884) 533-. 

 quadrant. Abbadie, A. d'. C. B. 71 



(1870) 335-. 

 right angle. L., 0. Cztg. Opt. 21 



(1900) 54-. 

 Degree, Fernel's measure. De Morgan, A. 



(vi Adds.) Ph. Mg. 19 (1841) 445-; 20 (1842) 



116-, 408- ; 21 (1842) 22-. 

 Distance of moving ship, determination. 



Wollin, L. Stockh. Ak. Hndl. 24 (1803) 



231-. 

 , . Bergsten, N. J. Stockh. Ak. 



Hndl. (1833) 193-. 

 2 places whose situations relative to a 



third are known. Littrow, J. J. von. Crelle 



J. 1 (1826) 232-. 



tower from observer at 3 points. 

 Bretschneider, C. A. Grunert Arch. 2 (1842) 

 431-. 



Division of Angles and Circular Arcs. 



Nieuport, C. F. F. de. [1802] Par.. Mm. Sav. 



Etr. 1 (1806) 659-. 



Gough, J. Nicholson J. 12 (1805) 225-. 

 Cerquero, J. S. Cadiz Period. M. Ci. 1 (1848) 



76-. 



Tate, T. Ph. Mg. 19 (1860) 261-. 

 Wasserschleben, (Maj.) von. Arch. Mth. Ps. 



56 (1874) 335-. 

 Radicke, A. [1878] Arch. Mth. Ps. 63 (1879) 



328-. 



Horst, E. Z. Mth. Ps. 24 (1879) 407-. 

 Nicholson, J. W. Des Moines Anal. 10 (1883) 



Murphy, I. J. Belfast NH. S. Ep. & P. 



(1892-93) 47-. 



Matter, F. Dresden Isis Sb. (1899) 24-. 

 Approximate division. Hill, C. J. D. Skandia 



3 (1834) 268-. 

 , and hints for reducing error. Kummell, 



C. H. Des Moines Anal. 5 (1878) 172-. 

 by rule and compass. Pellet, A. C. B. 



105 (1887) 1119- ; Par. S. Mth. Bll. 16 (1888) 



113-. 

 Bisection. Sirjaev, V. A. Kazan S. Nt. (Ps.- 



Mth.) P. 5 (1887) 1-. 



Division of angles, and inscriptibility of poly- 

 gons. Speelman, E. Brux. Ac. Bll. 25 (1868) 



665-. 



Division of angles, and multiplication of cube. 



Soymie, E. Les Mondes 22 (1870) 348-. 

 given angle. Rauch, F. Kosmos (Lw.) 



20 (1895) 77-. 

 Equations. Biehler, C. N. A. Mth. 8 (1889) 



552-. 



Formulae. Ramus, C. Kiob. Ov. (1856) 239-. 

 Multisection. Mariantoni, , & Palatini, . 



N. A. Mth. 18 (1899) 126-. 



by cycloid. Wilkie, D. E. Viet. T. B. S. 

 5 (1860) 217-. 



epicycloid. Leeuwen, J. H. van. N. 

 Arch. Wisk. 7 (*1881) 213. 



Practical methods. Michelotti, I. [1797] Turin 



Mm. Ac. 6 (1792-1800) 105-. 

 . Glotin, . Bordeaux Mm. S. Sc. Ps. 



2 (1861-63) 252-. 

 Eight angle, division, mechanical. Herschel, 



A. S. QJ. Mth. 4 (1861) 315-. 



Trisection. 

 Winthrop, J. Bost. Mm. Am. Ac. 2 (1793) 



Mansfield, J. Conn. Mm. Ac. 1 (1810) 



119-. 



Newton, P. Tilloch Ph. Mg. 62 (1823) 10-. 

 Fusinieri, A. Bb. It. 40 (1825) 285-. 

 Querret, . Gergonne A. Mth. 16 (1825-26) 



108-. 

 Gamier, J. G. Quetfilet Cor. Mth. 2 (1826) 



271-. 

 Hill, C. J. D. Crelle J. 2 (1827) 304- ; 7 (1831) 



44-. 



Masters, W. Beng. As. S. J. 1 (1832) 501-. 

 Barre, . Lille Mm. S. (1833) 44-. 

 Morrieson, N. Beng. J. As. S. 2 (1833) 



Hudson, C. I. Ev. 2 (1838) 399. 



Le Monnier, J. F. B. Cherb. Mm. S. Ac. 



(1838) 320-. 



Otto, . Grunert Arch. 4 (1844) 223-. 

 Fusinieri, A. [1845] Mod. S. It. Mm. 23 



(1846) 294-. 



Ferrari, S. II Cim. 6 (1855) 536-. 

 Poudra, . N. A. Mth. 15 (1856) 381-. 

 Tietz, J. Grunert Arch. 30 (1858) 114-. 

 Walter, F. Grunert Arch. 34 (1860) 295-. 

 Kuhlmey, . Grunert Arch. 36 (1861) 123-. 

 Richter, . Z. Bauw. 12 (1862) 284-. 

 (Bichter.) Franz, . Z. Bauw. 12 (1862) 



287-. 

 O'Donoghue, J. Franklin I. J. 45 (1863) 



382-. 



Veriot, E. C. E. 66 (1868) 619-, 730-. 

 D., G. Ts. Mt. Fys. 4 (1871) 199-. 

 Genese, R. W. Mess. Mth. 1 (1872) 103, 



181. 

 Hillhouse, W. [U.S.A.'] Des Moines Anal. 3 



(1876) 151-. 

 Leeuwen, J. H. van. N. Arch. Wisk. 2 (*1876) 



177-. 



Garbieri, G. G. Mt. 15 (1877) 111-. 

 Rusch, M. Arch. Mth. Ps. 68 (1882) 444-. 

 Sparer, B. Arch. Mth. Ps. 69 (1883) 224. 

 Moser, C. Bern Mt. (1884) (Heft 3, Ab.) 



462 



