DESCRIBED IN THE CATALOGUE.

Ixxxiii

France, Besson, 424. Courtois, ]163. Gaubot, 844.Zollverein (2), Pfaff, 35.

Opium—II. Howards & Kent, 11. Lamplough, 71.

Algeria , Frederic, 25. Hardy, 23. Egypt , 23.

' France, Aubergier, 754. India , n., hi.

Optic Square— x. Yeates, 332.

Optical Instruments (Various)—x. Heath, 351. Gard-ner, 365. Goddard, 274. Hyams, 278. Jordan, 285.xxiv. Chance & Co., 22. Powell & Sous, 31.France , Bernard, 762. Beyerle, 765. Boron , 443.Chevalier, 1729. Dillenseger & Patry, 168. Duboscq-Soleil, 1197. Jamin, 548. Lebrun, 298, 571.Molteni & Siegler, 649. Schiertz, 999.

Russia, Pick, 170. Spain , Oppelt, 271.

Switzerland , Daguet, 75. Jaccard, 104.

Zollverein (1), Busch, 89. (2), Eisenmenger, 24. Merz

& Sons, 30. See also Reuses. Opera Glasses. Specta-cles. Telescope Glasses. Telescopes.

Orange-Wine— Sardinia, Garrissini, 9.

Orchil—II. Marshall, 68. iv. Smith & Son, 68.Austria^ Heiuzen, 26. France , Mottet, 932.

Zollverein (1), Krimmbelbein & Co , 457.Orchilla-iveed—I i. Hatmel& Ellis, 10.

Cape of Good Hope , Waterrneyer, 51.

New Zealand, Smith, 19. Portugal , 505-509.

Orders of Knighthood (in Enamel and Silver)—vm.

Firmin 8c Sous, 211. sx. Firmin Sc Sons, 161.Ordnance. See Cannon.

Ordnance Survey Instruments— x. Hall, 4.

Ore Washing-cases and Machines— i. Hunt, 482.

v i* Brunton, 304. Hunt, 207. Russia , Demidoff, 153.Organ-pipes, &c.—x. Koome, 548.

Van Diemen'’s Land , Valentine, 182.

Organs (Church, Cabinet, and other)—x. Bishop, 553.

. Bryceson, 735, Brutton, 96. Forster & Andrews, 562.Gray & Davison, 555. Hill & Co., 55G. Holditch,557. Robson, 559. Walker, 561. Willis, 209.France , Alexandre & Son, 1719. Ducroquef, 173(Main Avenue, Easl). Fourneaux, 1605. Herz, 1268.Jaulin, 1274. Martin, 1711. Muller, 1365Tuscany , Ducoi, 58.

Zollverein (1), Korner, 747. Schultze, 707.

Organs, Barrel (for Travelling)— France , ]

Muller, 1365.

Organzine— France, Dumaine, 175. Dyedier, 1580.Farjon, 1217. Jourdain, 1631. Menet, 1657. Mourgue& Bousquet, 1363. Vevdet & Co. 1519.

Russia , Rebrotl, 143.

Sardinia , Imperatori, Brothers. 38.

Orleans Cloth—xii. & xv, Eckroyd Sc Son, 1 30 a. Green& Sons, 65. Haggas & Son, 155. Kershaw, S:&II.161. Milner & Co. 168. Shuttleworth, 156. Simon,Siltler & Co. 163. Wall, Cockshot & Wall, 159.Eylgimn, Decock, 221.q ^glloerein (1), Friedheim & Sons, 109.r 'Molu articles— xxill. Warriner, 60. xxiv. Green,r ^2. xxvi. Toms & Luscombe, 178. Wertheimer, 177.0 ^Ifted States, Hooper & Co. 459.

Imitation of— xxm. Rawlings, 54. xxvi.

Pollit, 364. Lithgow 8c Purdie, 106. Nevvnham, 365.On T XXx ‘ (Fine Art Court) Vinn, 205.

X ^ e XTal Work (Undescribed)—xin. Greenshields,Or

Laments for Interior Decorations— xxvi. Tilling ,

R ^\n° LOGICAL Specimens— vm . Hubbard, 180. ix.Milton, 291. xxix. Bartlett, 291. Dennis, 161.Gaidner, 223. Gordon, 202. Hancock, 320. Lead-beater, 221. Spencer,222. Walford, 207. Williams,-1J. Withers, 292. xxx. (Fine Art Court) 27.yelgium, Brenta, 435.

Or nl ltl8h Guiana > RMgwav, 160, 161.

9k" X - Fac > r - 195 - * Newton & Son, 212. Plant,Orth Jersey and Guernsey , Le Feuvre, 10.

°Rachidic Instruments (for Deformity of the Spine)O rt T X Ca I )Ul b W), 570a.

ORTH° CH ° Rl> ~~ J:>eftma7 ' A ^ Moller, 32,

opedical Apparatus, &c.— France , Pillant & Co.,(Wj ' ^P ain i Cort y Marti, 273,

^ <1IAX Cloth- - Russia , Cacki Shvilly, 1 S3,

-France , Husson, 885.

Osteotosi (Surgical Instrument )—x. Hess, 648.

Switzerland , Wermuth, 107.

Ostracide (or Oyster-opener)—x. Brown & Son 627.Ostrich Eggs — South Africa , Trutor, 8.

Egypt , 276.

Ostrich Feathers —xxix. Foster & Co. 74.

South Africa, Rutlierfoortl, 23. Tunis , 92.

Turkey .

Ostrich Skins — Tunis, 186.

Otto of Roses —II. Bell, 116. India, iy. Tunis , 83.Ottomans —xxvi. Aggio, 83. Everest, 27. Sandeman,173. Sowerby & Castle, 192. xxix. Aggio, 312.Ouse River Railway Bridge (at Selby)— vn. Walker& Burgess, 224 (Main Avenue, West),

Ovens —xxn. Powell, 372. Shave , 90.

China, Reeves. France , Lespinasse, 311.

United States, Perkins, 541. Zollverein (1), Kaesen,408.

Ovens, Gas—xxii. Edwards, 241. Warriner, 248.Ovens, Portable —Powell, 95.

Oxalic Acid —Schlippe, 27.

Portugal , Hirsh & Co. 503.

Oxford, Martyrs’ Memorial at —xxx. (Fine, ArtCourt) Day, 161a. Spiers & Son, 361.

Oxydized Silver, Table of —Main Avenue, East, Wag-ner, 1200.

Oyster Shells— South Africa , Calp, 55.

Packing-machine— vi. Marriott, 116.

Padding and Wadding — xii. & xv. Wilkinson, 51.Paddle-Wheels, Boxes, &c. (including Models)— v.Flynn, 125. Jones, 156. Pym, 160. Terrett, 126.Wilding, 60. vn. Askew, 48. Spurgin, 76. Wilson,97. viii. Flynn, 183. Long, 175. Mathews, 119.Mumford, 144. Poole, 77. Pym, 321. X. Adcock,364.

Paddle-Wheels, Instrument for feathering theFloat of— v. Smith, 141.

Paddle-Wheels, Instrument for registering speedOF—xxii. McKenzie, 418.

Paging and Numbering Machine— vi. Schlesinger &Co. 168.

Paints— iv. Bruce, 74. Rose, 27.

British Guiana, Outridge, 55c.

France , De Rnolz, 1466. Zuber & Co. 1536.Netherlands , Bleekrode, 1. See also Colours.

Paint, Fire-proof — United States, Blake, 233. Houston 554.

Paint-mills — United States , Harris, 512.

Painted Glass —xxiv. Chance & Co. 60. Davies, G., 37.Davies, W., 38. Gibbs, 75.

Painted Windows—xxiv. Bland, 80. Chance & Co.,60. Claudet & Houghton, 25. Gaunt, 68. Gibson,72. Toms, 71. xxvi. Haruman & Co., 532.

Austria , Bertini, 737 (Main Avenue, East).

France, Lasson, 565. La wren t, Gsell, & Co. 294. Mare-chal & Guynon, 329. Hamburgh, Bostelmaun, 99.Zollverein (2), Kellner, 86.

Painting on Glass —xxiv. Jackson, E. & W, II. 77.Kiddle, 39. Newsbam, 79. Powell & Son, 31. Price,43, xxvi. M-Lachlan, 337. xxx. (Fine Art Court)Pike, 336. Austria , Geyling, 736,

China , Hewett & Co, Sicliart & Co.

France , Laiaye, 284. Thevenot, 1036.

Hamburgh, Rosing, 100.

Zollverein (1), Burckhardt, Brothers, 810. Zebger, 30S.(4) Wetzel, 109. See also Fainted Windows.Painting on Marble—xxvi. Horsfall, 56.

Painting on Tiles—xxvii. Dapper, 51.

Painting, Encaustic— See Encaustic Paintings.Painting, House-decorative— xxvi. Calvert, 82. Hol-land , 407.

Painting in imitation of Marble— See Marble, Imita-tion.

Painting in imitation of Wood—xxvi. Carson, 109.Coomber, 307. Davis, 143. Ga, thwaite, 48. Holland ,407. Sewed, C. Sc F., 340. Smith, 141. xxvii.Kershaw, 1.

Painting, New Style of —xxx. (Fine Alt Court) King,

113.

9