NEGEETTI AND ZAMBKA, HOLBOKN VIADUCT, E.G., 



Skeleton Frames, or Passe Partout, To Order. 

 Slides, Astronomical, 1803. 

 Comic, moveable, 1810. 

 Fairy and N ursery Tales, in Sets, 1802. 

 Dioramic for Lanterns, pages 366, 



367. 



for Magic Lanterns, page 351. 

 Geological, 1808. 

 Lever, 1812. 

 Photographic, for Lantern, &c.. pages 



3G9 to 372. 



Eackwork, Mechanical, 1818 to 1829. 

 to exhibit Rolling and Moving waves 



of the sea, 1825. 



to illustrate Ancient and Modern 

 History, Conchology, and 

 Botany, To Order. 

 ,, Manners and Customs of the 



Chinese, page 373. 

 Natural History, 1807. 

 with moveable Shipping, Railways, 



&c., 1811. 



Statues, page 369. 

 Sliding Wire and Plate, 2858. 

 Sling Cases for Race Glasses, &c., To Order. 



for Telescopes, To Order. 

 Slide Rules, proof of Temperature, Compara- 

 tive or Reducing, 1671, page 345. 

 Smeaton's Air Pump, Newman's Improved, 



page 470. 

 Smee's Galvanic Batteries, 2529, page 430. 



Optometer, 3112. 

 Snow Gauge?, made To Order. 

 Snow, Harris's Compass, 1386. 

 Soda Water Apparatus, page 504. 

 Soft Iron Magnets, 2664. 

 Sounding Chain and Line, 1732, 1733. 

 Sounding Machines, page 324. 

 Sounding Thermometers, Double Tube Deep 

 Sea, Negretti and Zambra's, page 60 

 to 67. 



Sopwith's Station Staff, 1224. 

 Sorby's Micro-Spectroscope, 1027. 

 Solar Radiation Thermometers, page 38. 



Stand, pages 39, 43. 



Solar Intensity Apparatus, page 43. 



see Jordan's Sunshine Recorder. 

 Camera, 3212. 

 Microscope, To Order. 

 Spatulas, 2313. 

 Speaking Trumpets, 1430. 

 Specific Gravity Beads, 524, page 190. 

 Bottles, 2074 to 2077. 



explained, page 176. 



Spectacle Cases, 681. 



Manual, price 6d. 



Spectacles, Cataract, 624. 



Clip-nose or folding (Pince-nez), 



page 216, r 217. 



Gold and Silver, pages 214, 215. 

 French pattern, 678. 

 Gold, page 214. 

 Forsenic, page 214. 

 Hand Folding, &c., page 218. 

 Horse-shoe, 666. 

 Invisible or Perlivision, 632. 

 Patent Pantoscopic, 619. 

 Periscopic, 620. 

 ThWmoscopic, page 222. 

 Shooting, Hunting or Riding, 675. 

 Silver, 633. 



Steel, page 213. 

 with Neutral Tint glasses, page 



219. 

 the Invention and History of, 



page 212. 

 Spectra, various instruments for exhibiting, 



page 225. 



Spectroscopes Table, 1081 to 1085. 

 Duboscq's, 1081. 

 Pocket, 1077. 

 Spectrum Apparatus, page 282. 

 Speculum Auris, 3095. 

 Speculum Reflectors, 954 and page 500. 

 Spirals, Electrical, 2454. 

 Spirometer, Hutchinson's, 3088. 

 described, page 498. 

 Lowne's Patent, page 499. 

 Spoons, Blowpipe, 2186. 

 Deflagrating, 2218. 

 Glass, 2079. 

 Sportsman, Electrical, 2476. 

 Sprengal's Air Pump, 2849. 

 Spring Bow Pens, Pencils, and Dividers, 



page 335. 



Measuring Tapes, page 302. 

 Screw Dividers, 1508. 

 Callipers, 1701. 

 Springs for Steam Indicator, page 200. 

 Specula, Toynbee's, 3094. 

 Spile Rods, 1668, 1669. 

 Spirit Rule, 1671. 



Level Circular, 1148. 

 Level Tubes, 1144 to 1146. 

 Analyser, Long's Patent, page 193. 

 Lamps, Glass, 2078. 

 Levels, page 288. 

 or Liquid Compass, 1387, 1387*. 

 Sponge Directors, 2780. 

 Squares, Optical, 1164. 



T, 1618 page 341 and 342. 

 Staff Officers' Glass, page 234. 



