401 



Percival 



Perdonnet. 



402 



geb. 1775, März 23, London, 

 gesl. 1856, Aug. n, Keiisirigloii bei 

 London. 

 A new eudiorneter, accompanying \silh expe- 

 rinients (Phil. Tr 4807). On the quantity of 

 carbon in carbonic «cid, and od the nature of 

 the diaraond; mit W. AUen (Ib. ^807). On tiie 

 chaiiges prodaced iu almospheric air and o,\y- 

 gen ^as by respiration ; mit Demselben (Ib. 

 1808;. An accouotof an apparalusforperform- 

 inp eiectro-magnetlc experimenls Ib. 1823). 

 On the respiration of birds; mit W. Allen ilb. 

 1829). On the respiration of the leaves of plants 

 (Ib. 1843). — Experiments on the production 

 of artificial cold, in one oi which 56 pounds 

 of mercury was fiozen .Tilloch's Phil Mag. 

 III, 1799). Descript. of a niercurial gazometer 

 (Ib. V, 1799). Descript. of a newly invented 

 galvaiiometer (Ib. ii, 1801). Descript of an 

 improved chemical apparatus (Ib. W, 1301). 

 Descript of a new gas-holder ;Ib. XIII. 1802) 

 Descript. of a large galvanic apparatus (ib. 

 XV, 1803J. On gems 'Ib. XVII, 1803) Analy- 

 sis of human teelh (Ib id.). Aoalysis of Shet- 

 land iron ore (ib. XIX, 1804). Apparatus for 

 the decomposition of the aicalis (Ib. XXXI, 

 1808). Descript. of a mercurial \oitaiccon- 

 ductor (Ib. XLI, 1S<3). .Descript of a new 

 construction of the voltaic apparatus (Quart. 

 Journ. of .Science, I, 1816). Descript. of an 

 improved apparatus for the manufaclure of 

 soda waler Ib. IV, 1818). Notice respecting 

 the decomposition of sulphale of iron by ani- 

 mal matter (Geolog. Transact. I, 1811). 



Percival, T h o ra as. — Dr. Med. (Ley- 

 den 17 65), pracl. Arzt in Mjinciiesler von 

 1767 an. MitgL d. Manchester Lilerary and 

 Philosopbical Society seil ihrer Stiftung im 

 J. I78< und der Roy. Society seit 17 65 

 (DDi (ThJ, 



geb. 17 40, Sept. 29, VVarringfoo, 

 ge.sl. 1804, Aug. 30, Manchester. 

 De fngore, S», Lugd Bat. 1765. Experiments 

 and observations on water, especially the band 

 pump water of .Manchester, 8", London 1768. 

 Obsä. and experim. oa the poison of lead, 8°, 

 Ib. 1774. — Experim on the peruvian bark 

 (Phfl. Tr. 1767) Obss. on the waters of Bux- 

 ton and Manchester (Ib. 177* . A new and 

 cheap metliod of preparing potash Ib. I7s0j. 

 On the pur^uits of expcnmcntal pbilosophy 

 (.Mem Manchester Soc. II, 17s7 . On the dif- 

 ferent quantiiies of rain, which fall et diffe- 

 rent heights over the same spotof ground Ih. 

 id.). Facts and (jueries relative to atlractuMi 

 and repulsion (Ib. id. et III, 1790). Remarks 

 coocerning the ascent of viipours (.Med Hnd 

 pbil Comment. by a Soc at Edinb II, 1 7 74, 

 -\ccount of an earlhquake at Manchester, 1 4 

 Sept. 1777 (Ib. V, 1777;. — Medicinisches, 

 Statistisches u. Anderweitiges. — Collecled 

 works, 4 vul. 8°, Loud. 1b07 (poslh ). 



PeroWal, James Gates. — Dr. Med. 

 Lebte meist als Literat, war iudess 18i4 

 Pogfendorff, Ilandwörurbuch II. 



auf kurze Zeit Prof. d. Chemie an d. Mili- 

 tär-Aradernie zu Westpoint, machte 18.35 

 luil ('.. ü. Sliepard eine geolog. Auf- 

 nahme des Staates Connecticut und stand 

 1853 ira Dienst einer araerikan. Gesell- 

 schaft zur Ausbeulung d. Bleigruben von 

 Illinois u. Wisconsin (Sillim. N. Journ. 

 XXIi; (AA. 1857; iVDJ, 



geb. 1795, Sept. 15, Kensingion b. Ber- 

 lin, Connecticiit, 



gest. 1856, Mai 2, Hazel Green, Wis- 

 consin. 

 Report on the Geolo^y of Connecticut; mit 

 C. ü. Shepard, 8", New Haven 1842. Report on 

 the geology of Illinois and Wisconsin, 8°, Ma- 

 dison (Wisconsin! 1855. — On minerals of 

 Berlin (Sillijnaa's Journ. V, 1822). On the zoo- 

 logicaicharaclers of formations.Ib. VIII, 1824). 

 Gurions efifect of solar light .^'Ib. XII, 1827i. 

 Crescent form of dikes (Ib. XLVI, 1844). — 

 Hematite in Connecticut db. New Ser. II. 1 S46). 

 Trap dikes of Connecticut (Ib. III, 1847j. — 

 Gedichte. 



Peroy, John. — Dr. Med., Lehrer d. 

 y?tallurgie an d. Government School of 

 Mines, .Museum of Practical Geology, in 

 London; früher fünf Jahre lang Lehrer d. 

 organ. Chemie am Queen's College in Bir- 

 mingham und Arzt am Queen's Hospital 

 daselbst. Mitgl. d. Roy. Society (Or;, 

 geb. 1817, März 23, Nottingham. 

 Experimentalinvestigationconcerningthepre- 

 sence of alcohol in the ventricles of the brain 

 after poisoning by that liquid ;Von d. mcdi- 

 cio. Facuität zu Edinburgh 1838 mit e ^rolde- 

 nen .Medaille belohnt). — Von 1842 bis 1846 

 Siebzehn Aufsätze über pathologische Chemie 

 in d. London Medical Gazelle. — On a method 

 of dislinguishing between mcconic aoid and 

 Ruifo-cyanngen in cases of poisonin;; by opium 



Lancet 1841,1. — On the crystallized siaps etc 

 (Report British Assoc. 1*46). Apparatus for the 

 quantitative determinalion of carbonic acid 



Ib. 1847). On some of the so called alloys of 

 tungsteii Ib 1848 . - On the extraction of 

 gold and silver froni their ores bv the wet wav 

 ,Phil. Mag. .Ser. III, Vol. XXXVI, 1850;. On 

 Lettsomite Ib. id.). On Penylite (Ib id . On 

 the composition of Beudanlile fib. XXXVII. 

 1850). On thedistribution of-ol.i Ib Ser. I\. 

 Vol. V, 'S.Ö3 . Om the dcleclioii of i:olcl in lead 

 aiul its Compounds (Ib. VII, 1854.. Analysis 

 üf several coals etc. .'Journ. Geol. Soc. Lond. 

 Vol. i). 



Perdonnet , Albert Auguste. — 

 Administrator d. Piiris-Slrasshurger Eisen- 

 bahn. Prof. ;in d. ficole des arts-et-nianu- 

 factures in Paris. Früher Inircnicur tMi (lief 

 des poüts-et-cliaussees. Scliüicr d. Ecole 

 polytechuique u. d. £cole des Mines 0»v. 

 i6 



