937 



Siii:ons 



Singer. 



938 



placement du cristallin pour cunserver coii- 

 slanle la distarice focalo do l'oei! (Magendie, 

 Jüurn. de Physiolog. IV. 1824). 



Simons, Gerrit. — Dr Phil., Direct. 

 d. Ingenieur-Acaderu'o zuDellt. früher Ad- 

 jiincl d. Steinwarltj /u Utrecht, dann Ad- 

 visor f. Chemie u. I'hy.sik , au(;h Inspector 

 d. Maasse u. Gewiclile Orj, 



geb. 18 02, Jan. 2 2, Thameii am Amslel. 

 Cominent. de aquae vaporibus at.-Mosphaera 

 contentis, 8°, 'irajecl. ad Khen. 1823. De di- 

 lalatione liquorum per calorem, lh.1828 Vcr- 

 handeling over de Stoombemalini,' van Pnlders 

 etc., 1844. — Oll Ihe Üieorelical inve.sli^ation 

 of the velocity of somui etc. (Fhil. Tr. 1830;. 

 — Eleclromagnetische proevon (Natuiir- en 

 Scheikundig Aicbief, III, 1835;. 



Simpson, Thomas. — Erst Weber 

 u. Schulmeister in Derby (etwa von 17 33 

 bis 17 3 6,1, dann Privallehrer d. M^itheiiia- 

 tik in London u. seit 174 3 Prof. d. Mathe- 

 matik au d. Militärschule ^Kings Academy) 

 zu Woolwich. *Mitgl. d. Hey. Society seit 

 17 46 {BDJ (KEC), 



geb. 17 iO, Aug. 20. Market-Bosworth, 

 Lciceslersliire, 



gest 1761, Mai 14, Market-ßosvvorlh.* 

 A new treatise on (luxions, 4°, Lond. 1737. 

 A trealise on the nature and iaws of chaiif-e, 

 4", Ib. 1740. lissay on severa! subjecis in spe- 

 cuialive and inixec: (natbematits, 4", Ib. 1740. 

 Tbc ductrine of annuities and reveisions, 8'-, 

 Ib. 1743. MatbeoKitical disserlations o:i phy- 

 sical and anaiyticai subjects. 4'", Ib. 1743. An 

 eletnentary ireatise of aigebra, 8", Ib. 1745, 

 edit. II, Ib. 1755. Tbe elemen!.s of geometry 

 etc., 8", Ib. 1747. A tract of plane and .sphe- 

 rical trigonomefry, svilh ti;e thcory of loga- 

 litbms. 8°, Ib. 1748. 'Ihe doclrine and app.i- 

 rotioos of tlu.xions, 2 vol. S", Ib. 17.=j0. Seiect 

 exercises in tnathematics, S", Ib. 1 752. Miscei- 

 laneous tracts, 4", Ib. 1757. — On the fluenls 

 of multinoniians, and series aflecled liy ra- 

 dica! signs, whicb do not begin tu conver^e 

 td! afler the second term (Pbd. Tr. 1748). The 

 motion of projectüe.s near the earth's surface 

 considered etc. (Ib. id.). A general nielhod 

 for exhibiling the value of an alj^ebraic e\- 

 piession involving several radical qiiantities 

 m an infinite .serie.s etc. (Ib. 175t). On Ihe 

 advantage of takini' ihe mean of a niind)er of 

 obseryntions, in practica! astrononiy (Ib. 17 55 . 

 An investiiiatioo of a {general rule for the re- 

 solution of isoperimetrical [jroblems of all Or- 

 ders (Ib. id. et 1758). The resolution of a ge- 

 neral propo.sition for deterinining the horary 

 alteration of pusitiun of the terreslrial oquatm 

 from the attraction of the .sun and moun etc. 

 (Ib. 1757). riie invention of a f;eneral nielh'd 

 for determiiiini; Ihe sum of cvcry 2'', S"*, 4"' 

 or j'** etc. teriri ol a seriös, taken in order; 

 the sum of Ihe wholo series bcing known (Ib. 

 1758). — I\edii^irto von 1754 bis 176U das La- 



dies Diary, zu welchem er schon lange Bei- 

 träge geliefert halte. 



• Wohin er sicli gemüthskrank zurückgezogen hatlt ; 

 gest. Mai 22 [Th). 



Simpson, Maxwell. — Dr. Phil., 



von 1848 bis 1857 Lehrer =in der »Origi- 

 nal Scbool of Medicine« in Dublin (Or), 



geb. 1815, März 1«, Armagh, Irland. 

 Oll tv^o new melhods of delermining nitrogen 

 (Quart. Journ. Chem. Soc. VI, 1854). On the 

 actinn of bromine on the iodide of acelvle 

 (Phil. Mag. Ser. IV, T. XIV, 1857j. Sur une 

 nouv. base obtenue par l'action de l'anjnio- 

 niaque surle Iribrornurcd'allyle (Compt. rend. 

 XLVl, 1858). On the aotion of acids on ^Ivcole 

 iProceed. Roy Soc IX, 1857—59 and X, 1839 

 — 60). On Cyanide of ethyiene and succinic 

 acid (Ib. X, 1859—60). 



Simson, Kobert. — Dr. Med., seit 

 1711 (an Stelle von Robert Sinclair; 

 Prof. d. Mathematik an d. Univ. zu Gla.'^gow 

 (BDS) (BD) (KEC) (Abr. VI;, 



geb. 1687, Od. 14, Kirlon-llall, Ayr- 

 shirc, Schodl.,* 

 gest. 1768, Oct. 1, Glasgow. 

 T:eatise on coiiic sections, 4", 1735 The loci 

 plaiii of Apollonius reslored, 4", 1749. Euclid'e 

 Elements, 4°, 1756, viele Ausgaben in 8" - 

 Two general propositions of Pappua, in which 

 rnany Ol Euclid's porisirs are iacluded fPh I 

 Tr. 17i>3;. 0(1 the exiraction of th< approxi- 

 male roots of numbei.s by infinit« .■»erie.* (Ib. 

 t753j. — Im J. 177ß Hess Graf Sianhope au^ 

 seine Kosten noch folsende von hin liinter- 

 lassene Aufsätze drucken: 1) Apollonius de- 

 terminate stction; 2' A trealise oa ponsms; 

 3; A tract on lü,^arlthms; 4'. On Uie iimils "I 

 quantities and ratios; 5; Some geometricd 

 Problems. 



' geb. /.u West-Killb-idge, \)rsli;ie i,Aor. VI). 



Sinclair (Sinclaie), Ge .r^. — ProL 

 d. Philosophie an d. üniv. 7uGl:i -o^v, we- 

 gen politischer Gesinnui'g bald nach der 

 Restauration abgesetzt, doch 1G88 wieder 

 eingesetzt (BDS) (BD), 



geb 



gest. 169 6, .. . Glasgow 

 Tirocinia mathematica, 12". Gliscow 1661. 

 Ar.s noNa el masna gravilntis e! icMtatis. 4". 

 Itolcrodiiini 1669 (woL;e::en James Gregory un- 

 ter d. Namen Patrick Mathers schrieb The 

 fjreat and new arl of xveighing vamlx). Hy- 

 drostatics, 4", Edinb. 1672. Ilydiostaiical ex- 

 perimenls, with a discourse on coal, 8", Ib. 

 16S0. Principles of astrononiy and navigation, 

 12', Ib. 1688. 



Singer, G e o r g o J o h n . — Hielt phy- 

 sikal. Vorlesungen in London (MM.\L\\') 

 iGM.\%\l), 



geb. 1786 etwa, 



qest. 1817, Juni 28, London. 



