PEN] 



820 



[PEN 



Penny, Frederick. 4. On a specimen of artificial 

 Asbestus. Glasgow, Proc. Phil. Soc. I., 1841- 

 44, pp. 104-105. 



5. On a new and ready process for the 



quantitative determination of iron. Brit. Assoc. 

 Rep. 1850 (pt. 2), pp. 58-59. 



6. On the estimation of iodine. Brit. 



Assoc. Rep. 1852 (pt. 2), pp. 37-39. 



7. On the valuation and composition of 



protochloride of tin. Chem. Soc. Journ. IV., 

 1852, pp. 239-251 ; Erdm. Journ. Prak. Chem. 

 LV., 1852, pp. 208-222. 



8. On the valuation of Indigo. Chem. Soc. 



Journ, V., 1853, pp. 297-302 ; Edinb. New 

 Phil. Journ. LIV., 1853, pp. 285-291. 



9. Note on the valuation of protochloride 



of tin. Chem. Soc. Journ. VII., 1855, pp. 50-51. 



10. On a simple volumetric process for the 



valuation of Cochineal. Brit. Assoc. Rep. 1 855, 

 (pt. 2), pp. 68-69. 



11. On the manufacture of Iodine and other 



products from Kelp. Brit. Assoc. Rep. 1855, 

 (pt. 2), p. 69. 



12. On the composition and phosphor- 

 escence of plate-sulphate of potash. Phil. Mag. 

 X., 1855, pp. 401-406; Erdm. Journ. Prak. 

 Chem. LXVIIL, 1856, pp. 216-219 ; Journ. de 

 Pharm. XXIX., 1856, pp. 396-398. 



13. Report on the chemical qualities and 



analysis of a combustible mineral substance from 

 the Mersey River, Tasmania. Van Diemen's 

 Land, Roy. Soc. Papers, III., 1855-59, pp. 

 108-114. 



Fenny, Frederick, and W. Wallace. On chloride 

 of arsenic. Phil. Mag. IV., 1852, pp. 361-365 ; 

 Erdm. Journ. Prak. Chem. LVIII., 1853, pp. 

 498-502 ; Journ. de Pharm. XXIV., 1853, pp. 

 376-377. 



Penny, W. G. On certain planetary perturba- 

 tions. Brit. Assoc. Rep. 1857 (pt. 2), p. 27. 



2. On the influence of the great- inequalities 



of Jupiter, Saturn, &c. upon the motions of the 

 other heavenly bodies. Atlantis, I., 1858, pp. 

 145-170. 



3. On an inequality of long period in the 



motions of the planets Jupiter, Saturn, and 

 Uranus. Atlantis, I., 1858, pp. 393-396. 



4. On the use of the sections of the cone 



in the solution of certain geometrical problems. 

 Atlantis, II., 1859, pp. 435-457. 



5. On the general solution of cubic 



equations, and the reduction of what is called 

 the " irreducible case " of CARDAN'S rule. At- 

 lantis, III., 1860, pp. 156-166. 



Penolazzi, J. Nuove osservazioni sul sistema 

 dell' irritazione in risposta. Brescia, Comment. 

 1818-19, pp. 137-138. 



Penot, Achille. Ueber das Bleichen der Baum- 

 wolle und der daraus gefertigten Zeuge. 

 ( Transl.) Erdm. Journ. Tech. Chem. VI., 1829, 

 pp. 285-300. 



2. Note sur 1'analyse de quelques eaux de 



Mulhouse. Mulhouse, Bull. Soc. Industr. II., 



1829, pp. 456-462. 



3. Memoire sur 1'acidimetrie et 1'alcali- 



metrie. Mulhouse, Bull. Soc. Industr. III., 



1830, pp. 458-495 : Erdm. Journ. Tech. Chem. 

 XIL, 1831, pp. 237-265 ; Dingier, Polytechn. 

 Journ. XXXVIIL, 1830, pp. 384-404 ; Mar- 

 seille, Ann. Sci. I., 1832, pp. 97-125. 



4. Ueber Chlorometrie. ( Transl.} Ding- 



ier, Polytechn. Journ. XL., 1831, pp. 142-147. 



5. Ueber die Reinigung der kiinstlichen 

 Soda und Analyse der Soda von Dieuze. ( Transit) 

 Erdm. Journ. Prak. Chem. III., 1834, pp. 171- 

 176; Dingier, Polytechn. Journ. LIV., 1834, 

 pp. 122-126. 



6. Memoire sur 1'analyse de la bouse de 

 vache et sur 1'emploi de cette substance dans la 

 fabrication des toiles peintes. Mulhouse, Bull. 

 Soc. Industr. VIIL, 1835, pp. 113-123. 



7. Bemerkungen iiber das Leuchtgns. 

 (Transl.) Erdm. Journ. Prak. Chem. XXI V.> 

 1841, pp. 106-116. 



8. Memoire pour servir a 1'historie du 

 coton. Mulhouse, Bull. Soc. Industr. XIV., 

 1841, pp. 44-100; XV., 1841, pp. 83-119. 



9. Neues Verfahren, den Gehalt des Chlor- 



kalks zu bestimmen. ( Transl.) Erdm. Journ. 

 Prak. Chem. LIX., 1853, pp. 59-60. 



Penrose, F. C. A few words in favour of the 

 decimal, but against the metrical system of 

 measurement ; and an endeavour to show how 

 all the advantages of the metrical system may 

 be obtained without giving up the English 

 standards. [1863.] Brit. Arch. List. Papers, 

 1864, pp. 43-47. 



Pentheney, von. Wichtige Beobachtungen 



iiber den rothfiissigen Falken (Erythropus ves- 

 pertinus, J5r.). Oken, Isis, XXIII., 1830, col. 

 796-798. 



Pentland, J. B. Nonveaux eclaircissements 

 adresses a M. COQOEBERT DE MONTBRET sur les 

 montagnes dont il a ete parle dans le Cahier 

 d'Avril 1828 de ces Annales. Ann. Sci. Nat. 

 XIV., 1828, pp. 294-299; Froriep, Notizen, 

 XXII., 1828, col. 68-72. 



2. Observations on the Peruvian Andes. 



Phil. Mag. IV., 1828, pp. 115-119. 



3. Sur la hauteur absolue des cimes les 



plus remarquables de la Cordilliere des Andes au 

 Perou. Annal. de Chimie, XLII., 1829, pp. 

 431-443. 



