C.
Cable railways, 126.
Cæsium, 426.
Caissons for Forth Bridge, 293.
_Calais-Douvres_, steamship, 141.
Caledonian Canal, 250.
Calico printing machines, 321.
California, discovery of gold in, 688.
Camera, 613.
Canal, Caledonian, 250. Manchester Ship, 262. Nicaragua, 274. North Sea, 271. Panama, 272. Suez, 251.
CANTILEVER BRIDGES, 291.
“Cape Horn,” 120.
_Captain_, H.M.S., 141.
Carbon transmitter, 590.
Carbonic oxide, 44, 48.
Carbons for arc lights, 527.
Carcel lamp, 597.
Carpenter, Dr. W. B., 462.
Carriages, railway, 111. for rock drills, 358.
Carriers in pneumatic tubes, 344.
Cars, Pullman, 112.
_Castalia_, steamship, 139.
Cast-iron, composition of, 43.
Cast steel, 54.
Catoptric lighthouse apparatus, 599.
CAUSE OF LIGHT AND COLOUR, 408.
CELESTIAL CHEMISTRY AND PHYSICS, 436.
Celluloid, 622.
Central Telegraph Office, London, 574.
Centres of gravity and buoyancy, 149.
Centrifugal force, 107.
Chains, 330.
Chain-testing machine, 329.
Channel Bridge (projected), 296. steamers, 142.
CHANNEL TUNNEL, 364.
Chassepot rifle, 182.
Chemical action of light, 608. equations, 734. nomenclature, 782. symbols, 733. work of electricity, 497.
Chloroform, 608.
Chromatic aberration of eye, 462.
Chromo-lithography, 638.
Chronograph}
Chronoscope} electric, 656.
Cincinnati Suspension Bridge, 287.
_City of Rome_, steamship, 139.
Clark’s hydraulic lift graving dock, 331.
Clarke’s magneto-electric machine, 509.
Clay process, stereotyping by, 633.
Clerk Maxwell’s theory of light, 541.
“Clermont,” the, 147.
Clifton Suspension Bridge, near Bristol, 285. Niagara, 287.
COAL, 751.
Coal in Kent, 371.
COAL-GAS, 764.
COAL-TAR COLOURS, 781.
Code, telegraphic, of American War Department, 528. Morse’s, 560. Wheatstone’s dot, 565.
Cold-short iron, 62.
Colesberg, 703.
Collodion process, 618.
Colour printing, 639.
Colours not in the objects, 413. photography of, 628.
Comets, spectra of, 444.
Composition rollers, 406.
Condie’s steam-hammer, 28.
Copying principle, 86.
Cordite, 748.
Corona, 438.
Cort’s puddling furnace, 45.
Couple, mechanical, 149.
Cramp gauge, 129.
Croll, on Stellar Evolution, 810.
Crookes, 507.
Crystal Palace, an example of use of iron in architecture, 72.
Crystal Palace, 72. AQUARIUM, 677.
Crystalline lens, 455.
Cup and cone, 49.
Current, electric, 492. induced, 502. measurement of, 536.
Currents in submarine cables, 579.