INDEX. 



739 



3. 



Saccharometers, 38 



Safety-valves of steam engines, 402, 501 



Safety-ink for printing postage-stamps, 708 



Safety-lamps, 361 ; electro magnetic, 693 



St. Brieuc, organ at, 187 



St. Germain, atmospheric railway, 67 ; 

 carillons, 129 



St. Gothard tunnel, 473 



Salimeters, 38 



Salleron's anemograph, 723 



Salt-pits, 381 



Salt-water, evaporation of, 380 



Salva's electric telegraph, 544 



Salvator del Negro, his electro motive 

 engine, 651 



Sanctorius, his balance or weighing-bridge, 

 31 



Savage's application of the screw-propeller, 

 452 



Savages, their mode of making fire, 834 



Savart's experiments with violins, 145, 

 146; trapezoidal violin, 147 



Savery's steam-engine, 393, 438, 439 



Saxophone, 178 



Saxton's magneto electric machine, 661 



Scheiner, Father, his astronomical tele- 

 scope, 262 



Schilling's discoveries in electric tele- 

 graphy, 545 



Schweigger's invention of the multiplier or 

 galvanometer, 544, 597, 660 



Scott, Major de Courcy, discovery of 

 photolithography, 317 



Scott, General, application of acoustics to 

 the Albert Hall, 117 



Screw-propeller, 450 



Screw-steamers, 450 



Sculpture, photographic reprtsentations of, 

 324 ; copied by electro-type, 709 



Secchi, Father, his meteorograph, 724 



Seguin, Mark, inventor of tubular I oilers, 

 466 



Selenographical map of the moon, 328 



Septala, Manfred, his burning-mirror, 365 



Serrin's electric lamp regulator, 675, 677, 

 678, 680, 685 



Sextant, the, 206 



Shand and Mason's equilibrium fire- 

 engine, 60 ; water tube-boiler for fire- 

 engines, 408 



Ship's compass, 523 



Ship's signals, Ti eve's lantern for night 

 telegraphy, 698 



Shorter, his application of the screw- 

 propeller, 452 



Shorthand messages transmitted by pan- 

 telegraph, 603 



Siberians, clothing of, 359 



Side-lever engine, 456 



Siderostat, 212, 216 



Siege of Paris, use of microphotography 

 and carrier-pigeonSj 311 ; application of 

 the electric light, 686 



Siemens' dial-telegraihy, 567, 5C9, 570; 



automatic Morse telegraph, 581 ; im- 

 provements in submarine telegraphy, 



616 ; lightning-conductor for electric 



telegraphs, 627 ; dynamo-electric light 



apparatus, 669, 689, 691 

 Signals, ship ; Treve's lantern for night 



telegraphy, 698 

 Sikes's hydrometer, 40 

 Silberman, J. T., fire-balloons, 94 ; helio- 



stat, 214 



Silk as a heat-conductor, 360 

 Silver-mirror telescopes, 277 

 Silver-plating by elet-tro-ty^ e, 703, 712 

 Simple microscopes, 233, 234, 237 

 Single-needle telegraph manipulator and 



indicator, 550 

 Sire, G., carillons at g St. Germain 



1'Auxtrrois, 129 



Sistra of the ancient Egyptians, 122 

 Skins of animals as clothing, 359 

 Smee's discoveries in electro plating, 704 ; 



stereotype plates for bank-notes, 7(8 - 

 Smith, Kazzi, heat of the moon's rays, 



869 



Smith's screw-propeller, 452 

 Smoke, loss of heat in, 355 

 Sinoke-consnming furnaces, 400 

 Smyth, Prof. Piazzi, electric time-signals, 



645, 646 

 Scemmering's application of the voltaic 



current, 544, 597 

 Solar microscope, 247 

 " Sonnantes," harmonica, with metal bells, 



126 



Sonnet, M., action of paddle-wheels, 449 

 Sonorous vibrations. (See Sound.) 

 Sorby's application of spectrum analysis to 



microscopical research, 246 

 Sound, applications of the laws of, 5, 107 



197 



Spanish brasero, 335 

 Spanish water- coolers, 381 

 Speaking-tubes, 108 

 Speaking-trumpet, 110 

 Spectrum analysis applied to microscopical 



research, 246 

 Sphinx steam-ship, side-lever engine of the, 



458 



Spinet, 166 

 Spirit-levels, 42 

 Stanhope lens, 235, 237, 310 

 Stars, telescopic and photographic views of, 



261, 275, 327 



Statham's fuse for exploding mines, 695 

 Statistics steam-engines, 498 ; railways, 



499; steam-navigation, 456; sub-marine 



telegraphs, 615 ; electric telegraphy, 



630 ; electro-metallurgy, 715 

 Statues in electro-typo at Paris Opera 



House, 711 

 Steam, motive power of, 389 ; various 



applications of, 491 

 " Steam -blast," 467 

 Steam-cranes, 484 



