INDEX.
828
Peake, T., 581.
Peal, >'., 480.
Peale. C. \W, 18.
Pearce, AW, 565.
Peakl-asii. —Vse thereof in glass-making, 524.
Pearl Barley— Samples of, from Russia, 53. From Lille (France), 55. From the United States , ib.
Pearls. —An excretion of superimposed concentric lamimeof a peculiarly fine and dense nacreous substance, con-sisting of membrane and carbonate of lime, 164. Finestquality produced by the bivalve of the Indian seas, ib.Fine specimens exhibited in the Indian and Ceylon col-lections, ib. Pearls of an inferior description formedin a fresh-water bivalve, ib.
Peake**, Artificial— Specimens of, from France , 518.
Peal's, A. and F., 615.
Pearse, Clara, cxx.
Pearson and Co., 349.
Pearson, J., 481.
Pearson, AW, 569.
Peas. —Samples of peas exhibited in the British Department,54. Samples of, from Canada , ib. Samples of greensugar peas from Russia , ib.
Pease, II., and Co., 357, 359, 361.
Pease, J., 5S5.
Peat.— Products from the distillation of peat, 43-45, 48.
Pedestals (Marble).— Bust pedestals in marble sent by theRoyal Dublin Society, 563. Two black marble pedestalsfrom Galway , one prepared for polishing, and the otherfinished, ib.
Peel, d., 602.
Pect, T., 103.
Pegmatites. —See Porcelain.
Peill and Co., 158, 353.
Peldrian’s Heirs, 372.
Peligot, K. (Juror and Associate), xxvi, xxx.
Pcliknn, J., 537.
Pelissier, C., 95.
Pell. R. J., 149.
Pcllatt, Apsley, and Co., 536, 736.
Pellier Brothers, 65.
Pellis, J. Z., 583.
Pellouz and Co., 162.
Peltereau, F., jun., 390.
Penang —Collection of the woods of, 13S.
Pencil-cases.- ^Specimens of pencil-cases and pen-holdersin various styles, 520.
Pcneau, J., 65.
Peninsular and Oriental Steam Company, 378.
Penmaen-AIam r— Welsh paving stone from, remarkable asbeing both the hardest and toughest material for roadstuff yet discovered, 555,
Penn, J. (Juror), xxvii.
Penn, J., and Son, 172.
Penney, II., 80.
Penny, C., 449.
Penny, J., 395.
Penrose, F. C., 306.
Pens, Metallic—S pecimens of, 503, 506.
Pentagkaphs.— Description of this instrument; principle ofone, exhibited in the French Department, 306.
Penz, J., 491.
Peplow, A\\, 4S0.
Petper —Samples of, 62.
Perard and Alineur, Messrs., 22.
Percival, Dr., 95.
Percy, Dr. J. (Associate Juror), xxvi.
Perez and Co., 545, 551,687, 705, 723.—See also Pinto , Perez,and Co.
Perfumery. —Use thereof from the earliest times, 60S. Itsapplication in Ancient Egypt , ib. Extent of this tradein the remote ages, ib. The free use of soap in moderntimes has superseded the necessity for its lavishemployment, ib. Principles by which perfumery mayhe defined, ib. Eau-de-Cologne generally consideredthe perfection of perfumery, ib. Differences in thequality of perfumes, ib. Particular interest of severalof the perfumes or essences exhibited, 60S, 609. Seriesof artificial organic compounds, possessing qualitieswhich permit of their substitution for natural volatileoils and essences, 609. Extensive use of winter greenoil in perfumery, ib. Chemical analysis of this oil, ib.General remarks on, and modes of preparation of variousartificial essences, namely, pear oil, ib. Apple oil, ib.Pine-apple oil, ib. Cognac oil and grape oil, ib. Arti-ficial oil of bitter almonds, ib. Inferiority of the
American spirituous perfumery, 609. Eau-de-Cologne of excellent quality from Austria , ib. Interesting andexcellent collection of perfumery from Egypt , 610.Extensive use of perfumery in France , ib. Importanceof the manufacture, ib. Spirituous perfumery preparedin great perfection by the manufacturers of Paris , ib.Mode of preparation of essential oils, ib. Number ofperfumers in Paris, ib. Quantity exported from France in 1850, ib. Perfumers of Germany in great force, 611.Four Farinas in the Exhibition, ail claiming to be theoriginal, ib. German perfumery generally very good,ib. Extent of the manufactories of perfumery in Russia ,ib.' Small quantity of tooth powder and hair oil fromSwitzerland, ib. Collection of Tunisian perfumery, ib.Alode of preparation, ib. Ottos of Tunis prized asbeing more fragrant than those made in Eastern coun-tries, ib. Importance of this branch of commerce inTunis , ib. Large collection of perfumery from Turkey,ib. Specimens of perfumery, the manufacture of GreatBritain , 612, 613. Statement of the number of exhi-bitors from the various countries, 613. List of awards,exhibits, and exhibitors, 613-615.
Perigal, —, 314.
Pekipiian.— Alodel of this instrument designed for thesimple elucidation of solar and lunar phenomena, 307.
Perkins and Brown, 158.
Perkins and Co., 446.
Perkins, H., 63.
Perreaux, —, 257.
Perrinet, —, 331.
Perron, E., 59, 641.
Perrot, Petit, and Co., 387, 645.
Perry and Co., 506, 537, 736.
Perry, E., 506.
Perry, J., 199, 204, 509.
Perry, G., and Brothers, 179.
Persia — Beautiful manuscripts from, 406. Typographicpress not unknown in that country, ib. Remarks ontlie hardware manufactures, 496. Collection of inlaidand japanned work-boxes, &c., 654. Specimens of pipes,&c., 672.
Persian Berries.— Dye stuff extracted therefrom, 88.
Persoz, J. (Juror and Associate), xxvi, xxix, 41.
Perspective.— Description of an apparatus, in illustrationof the laws of perspective, 314.
Perthshire— Collection of ores of copper and lead fromvarious mines in, 13.
Perukes. —See JP/gs.
Pesel and Menuet, 357.
Peter’s, St. (Rome). Royal manufactory, 577, 704.
Peterhoft'Imperial Manufactory (Russia ), 567.
Peters, R., and Son, 599.
Peters and Sons, 193.
Peters, T. C-, 158.
Petersburg, St. —Establishment of a Malachite manufac-tory at, under the direction of M. Leopold Joffriand,570. Fluted columns of Malachite in some of thechurches, 571.
Petersburg, St., Imperial China Manufactory, 542, 687.
Petersburg, St., Imperial Forges of Alexander at, 33.
Peterson, G. (Juror and Associate), xxvi, xxx.
Peterson, J., 56.
Peterson, T., 56, 80.
Petit, C , 357.
Petit and Co., 202.
Petit and Fritsen, 506, 510.
Petit, J., 542.
Petithomme, L. A., 509.
Petrucci, C., 162.
Pettereau, A.. 390.
Petzoldt and Ehret, 360.
Peyman, —, 564.
Peyton and Harlow, 506.
Pfaff Michel, 334.
Pfeiffer, J., 21.
Pfenningberger, J., 367.
Pferdmenges Brothers, 376.
Pferdmcnges and Kleinjung, 376.
Pfeuffer, C., 686, 698.
Phaetons.— Park and Pony Phaetons, 193.
Pharmaceutical Apparatus. —See Chemical Apparatus.
Pharmaceutical Plants, Dried— Specimens of, 46.
Pharmaceutical Preparations and Products (unde-scribed), 45, 47. 49.—Sec also Chemical , Arc. Products.
Pharmaceutical Processes and Products. —See Chemicaland Pharmaceutical Processes and Products.
Pihenicia.— Manufacture of glass, 521.