45, CORNHILL, B.C., AND 122, REGENT STREET, W., LONDON. 



593 



Scales, Marquoise, 1598. 

 Metford's, 1635. 



Military, 1594. 



Navigation, 1593. 



Ordnance Pattern, page 307. 



Plotting or Chain, 1571 to 1577. 

 Schaeffer's Pressure and Vacuum Gauges, 



page 205. 



Scheeffer's Hydrometers (see Hydrometers). 

 School Sets of Drawing Instruments, page 



330, and No. 1553. 

 Schuster's Alkalimeter, 1906. 

 Scioptocon, page 347. 

 Scribing Iron, 1704. 

 Screens for Magic Lantern and Dissolving 



View apparatus, 1792. 

 Superheated Steam Thermometers, 372. 

 Sea-coast or Life Boat Station Barometer, 



page 143. 



Sea Level, 32, page 36. 

 Sea Water, Density of, page 183. 



,, Freezing point of, page 195. 



Temperature of, at great Depths, 

 page 65. 



Pressure of, at great Depths, 



page 65. 



Sealing-wax Cylinders, Electrical, 2488. 

 Seconds, Instrument to count, 3305. 

 Section Cutters, 1007. 



for Muscular Fibre, Tissues, &c , 



To Order. 



Sectional Models of various Engines, 3018. 

 Sections, Microscopic, page 275. 

 Sector Scales, 1585, 1591. 

 Seed Microscopes, 693. 

 Selenite Designs, 1068. 



Plates, 1067. 

 Self-Kecording Anemometers, pages 106 



to 111. 



Aneroids, pages 27, 28. 



Sensitizing or Developing Dishes, page 542. 

 Separating Funnels, 2071. 



Receiver, 2072. 

 Set Squares, page 342. 

 Sets of Chemical Apparatus, page 410. 



for Analysis of Soils, 2371. 



Electrical Apparatus, 2379 to 2385. 



Electro-Magnetic Apparatus, 2720. 



Galvanic Apparatus, 2589. 



Levers and Pulleys, page 491. 



Optical Models, page 225. 



., Lanterns and Slides, Dissolving 

 View Apparatus, pages 351, 352 

 to 374. 



Pneumatic Apparatus, To Order. 



Lenses, 744. 



Sets of Spring Bows, page 335. 



Photographic Apparatus, page 553. 

 Drawing Instruments, pages 330 to 



343. 



Small, 1553. 



Gauging Instruments, page 345. 

 Induction Coil Apparatus, page 451. 

 Meteorological Instruments, 



Estimates for, pages 124. 125. 

 Ordnance Pattern Surveying 



Instruments, Rods and Scales. 

 pages 303, 307. 

 Sextants, pages 308, 309. 



Pocket, 1302, 1304. 

 Glasses, Telescopes, and Magnifiers, 



page 310. 



Shadbolt's Parabolic Condenser, 942. 

 Shears, Cutting, 2311. 

 Ship Curves, 1633. 

 Ships' Binnacles, page 326. 



Board of Trade Regulation Starboard 



and Port Lamps, page 323. 

 Chronometers, supplied To Order. 

 Logs, pages 324, 325. 

 Log Dial, Admiral Bullock's, supplied 



To Order. 



Barometers, pages 136 to 146. 

 Thermometer Screen, page 79. 

 Shock handles, 2780. 

 Shooting or Cap Glasses, 675. 

 Shunts for Thomson's Galvanometer, 2708. 

 Sick Room Telegraph, 2804. 

 Side Reflector for Microscope, 954. 

 Siemen's Pyrometer, page 204. 



Dynamo Electric Machine. 



page 439. 

 Sieves, 2312. 

 Signal Bell, Electro-Magnetic, pages 449. 



4GO to 467. 



Fog, Key's Patent, 1435. 

 Signals, Marryatt's code of, 842. 

 ., Flags, 1731, and To Order. 

 Navy, 843. 

 Signal Station Telescopes, 854. 

 Sine Compass or Galvanometer, 2675. 

 Singer's Patent Compass, 1341. 

 Single Achromatic Landscape Lenses. 



page 517. 



Opera Glasses, 806, page 239. 

 Sike's or Syke's Hydrometers, page 178. 

 Sixe's Thermometer described, page 164. 



Registering Thermometers, 326 to 336. 

 Signal Lamps, page 323. 



for Heliostat, 1736. 

 Silver Bottle, &c., 2986. 



Wire Hooks and Dippers, 3299. 

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