581 



NEGRETTI AND ZAMBEA, HOLBOEN VIADUCT, E.G., 



Keene's Plate Box, supplied To Order. 

 Kellner's Orthoscopic Eye Pieces, ditto. 

 Kerr's Gas Tubes, 2001. 

 Kew Marine Barometer, 15, page 11. 

 King's Self-registering Barometer, 26. 

 King's College Set of Drawing Instruments, 



1482. 



Kingsley's Illuminator, 947. 

 Kinnersley's Electro Thermometer, 2423. 

 Knife, Valentine's Dissecting, 980. 



Labels, Chemical, 2201. 

 Laboratory Barometer, 13. 



Portable, pages 409, 411. 

 Lactometer, pages 185, 186. 

 Dr. Hassall's, 495. 

 Tubes, or Cream Test, 485. 

 Ladles, 2260. 

 Lamp, Argand, Chemical. 2261 to 2263. 



Spirit, 2269. 

 Brass Spirit, 2267. 



Davy's Safety, 2264, 2993. 

 Electric, 2558, page 438. 

 for Microscopes, for mounting, &c. 



page 271. 



Gas, Bunsen's, for Blowpipe, 2266. 

 Glass Blowers', 2178. 

 Glasses, Oxydating, 1790. 

 Hydrogen, Self-acting, 2270. 



Oil, 2261, 2263. 



Ships', Starboard and Port, page 323. 

 Anchor, page 323. 



Submarine, 3126, page 505. 

 Duboscq's, 2559. 

 Miners', 2993. 

 Lamps, Photographic, page 538. 

 for Magnesium Light, 3233. 

 Ships', Binnacle and various, page 



326. 



Tricolor or Steering, 1389. 

 with Movable Lenses, page 322. 

 Engine Boom, &c., page 322. 

 Ships', Masthead, page 323. 

 Spirit, Glass, 2078. 

 Lanterns and Lamps, Dark, 3230. 



for Ghost Effect, made to order 



(see Lantern Manual). 

 n for Night Signals, 1736. 

 Magic and Phantasmagoria, page 



351. 



Paraffin, 965. 



Phantasmagoria, fitted with Oxy- 

 calcium and Oxy-hydrogen 

 Light, pages 358, 359. 

 Phantasmagoria with Microscope, 

 1746. 



Lantern Microscope, 1752, page 352. 



Land Chains, page 301. 



Lapidary's Grinding Apparatus, To Order. 



Laryngoscope, 3092. 



Lean's Circumferenter, 1155. 



Leather Cases for Lenses and Cameras, To 



Order. 



for Portraits, &c., To Order. 

 for Telescopes, and Kace Glasses, 



To Order. 



Leather, Gilt and Silvered, strips of, 2508. 

 Leathers for cleaning, 3295. 

 Leclanche's Battery, 2554. 

 Lenses, Achromatic, for Microscopes, page 268. 

 for Telescopes, page 254. 



Carte de Visite, page 517. 

 Coddington, 708. 

 Concave, 727. 



Compound, for Portraits, page 517. 

 Condensing, 940, 941. 

 Cylindrical, 732. 

 Dallmeyer's, page 524. 

 Magnifying, page 223. 

 Multiplying, 722. 

 Photographic, pages 517 to 527. 

 Rock Crystal, page 240. 

 Ross's, 526. 

 Print, page 221. 

 Sets of, to illustrate Optics, 744. 

 Stanhope, 708. 



Stereoscopic Combination, page 524. 

 ,. Voigtlander's Vienna, Supplied to 



Order. 



Pocket, various, pages 223. 224. 

 Rectilinear Stereo, page 525. 

 Steinheil's, page 518. 

 Wide Angle Landscape, pages 521 



to 525. 



Leslie's Hygrometer, 84. 

 ./Ethrioscope, 62. 

 Apparatus for Freezing water, 2887*. 

 Pyroscope, 2982. 

 Cubes, or Radiator, 2950, 2981. 

 Differential Thermometer, 2952. 

 Letheby's Photometer, 3079. 

 Levelling or Developing Stands, 3234. 



Staves, page 302. 

 Level Tubes, Spirit, 1144. 



American Universal, 1147. 

 Staves, Papers for, 1231. 

 Levels, Drainage, 1132 to 1136. 



Dumpy, or Gravatt's, 1119 to 1126. 

 Hand, page 288. 

 Circular, 1148. 

 Standard, 1130. 

 Y, 1127 to 1130. 



