INDEX.

A
Acoustic figures, [117]
Alpine adventures of Professor Tyndall, [60]
Alps, accidents on, [65]
America, electrical discoveries in, [231];
first line of telegraph in, [273];
telegraph in (see [Morse] and [Telegraph]);
visit of Professor Tyndall to, [74]
Ampère’s electrical discoveries, [91];
proposed telegraph, [134]
Aqueous vapour and radiant heat, [44]
Arago’s electrical discoveries, [91]
Atlantic cable, [193], [276], [292]
Automatic telegraph, Wheatstone’s, [199]
B
Bain, Alexander, inventions claimed by, [160], [185], [305]
Baltimore and Washington telegraph, [273]
Batteries described—Volta’s, [88];
Grove’s, [89];
Daniell’s, [128]
Beer disease, [53]
Bible descriptions of nature, [6]
Biographies, use of, xi., xiv.
Blackwall telegraph, [167], [173]
Brewster, Sir David’s account of first telegraph, [150];
on vision, [210];
improvement of stereoscope, [212]
Bridge, Wheatstone, [164]
Bryant, W. Cullen, on Morse and his telegraph, [252], [316]
C
Cables, earliest, [187], [269], [292]
Calorescence, [47]
Carlyle, Thomas, reminiscences of, [99]
Celtic genius and science, [7]
Channel cable, first, [187], [191]
Charges for telegraphing, [181]
China, telegraph to, [317]
Clark, Latimer, on first English telegraph, [152];
on Wheatstone’s single-needle telegraph, [167];
on Wheatstone’s works, [229]
Clock, Wheatstone’s electro-magnetic, [160]
Clouds, experiments in producing, [49]
Concertina, invention of, [120]
Congress, American, and telegraph, [263], [270]
Cooke, W. F., account of his first connection with telegraph, [150], [152];
dispute with Wheatstone about telegraph, [134], [138], [146];
efforts to extend telegraph, [173];
formation of Electric Telegraph Company, [183]
Cruikshank, George, on first telegraph, [141]
Cryptograph, invention of, [219]
Crystals, formation of, [96];
magnetic properties of, [24]
D
Daniell, Professor, on Wheatstone’s first telegraph, [149]
Daniell’s constant battery, [128]
Day, Professor J., electrical lectures, [234]
Dial telegraphs, Wheatstone’s, [158], [196]
Diamagnetism discovered, [23];
investigated by Tyndall and others, [24], [29], [33]
Dynamic radiation of heat, [43]
Dynamo machine, invention of, [206]
E
Earth as return circuit, [171];
rotatory motion, [217]
Earth’s magnetic force, [26]
Electric currents, measurement of, [93], [163]
Electric telegraph. See Telegraph.
Electric Telegraph Company, formation of, [183]
Electrical biographies, use of, xi.
Electrical heat and light, [89]
Electricians, distribution of, xii., [231]
Electricity, production of, [22], [88], [91], [94], [232];
force of, [163];
velocity of, [93]
Ellsworth, Miss, connection with Morse telegraph, [272], [277]
Enchanted lyre, Wheatstone’s, [111]
Evolution, early days of Darwinian theory of, [97]
Exploder, Wheatstone’s, [186]
Explosion of mines by electricity, [185]
F
Faraday’s associations with Professor Tyndall, [26], [30], [102];
electrical and magnetic discoveries, [23];
lecture on scientific theories, [32];
on Wheatstone’s telegraph, [198]
Forbes, Professor J. D., on glaciers, [37], [40]
Frankland, Dr., associated with Professor Tyndall, [15];
glacier theory by, [45]
G
Gale, Professor, assisted Morse with telegraph, [249]
Gases, radiation and absorption of heat by, [42];
sounding power of, [58]
Gauss and Weber’s telegraph, [136]
Germ theory, [51], [98]
German scientists, [21], [27]
Germany, science in, between 1840 and 1850, [16];
student life in, [17];
telegraph in, [136]
Glacier phenomena, [38]
H
Harmonium, Wheatstone’s improvements in, [123]
Heat, radiant, investigation of, [42], [58]
House, R. E., printing telegraph by, [306]
I
Induced electricity, discovery of, by Faraday, [22]
Inventions, popular accounts of origin of, [167];
Morse’s definition of, [280];
public appreciation of, [281], [302]
Irish scientists, [7]
J
Jackson, Dr., disputes with Morse origin of telegraph, [244], [256]
K
Kaleidophone, [117]
L
Light, velocity of, [125]
Lightning conductors, [131]
Longitude determined by telegraph, [287]
M
Magnetic attraction, [28]
Magnetic exploder, [186]
Magnetisation of light, [93]
Magnetism and diamagnetism, [23], [29];
of the earth, [26]
Magnetism and electricity, [22], [91]
Magnetism, mechanical theory of, [93]
Magneto-electric machine, Wheatstone’s, [159]
Magnets, interaction of, [91];
lengthened by electricity, [92]
Marburg, student life in, [17]
Measurement of electric currents, Wheatstone’s plans for, [124], [163]
Metals, new, discovered by electric spark analysis, [127]
Microphone, first use of word, [119]
Morse alphabet, uses of, [307]
Morse, Professor S. F. B.:
artist, how he became an, [236];
success as, [243];
why he ceased to be an, [279]
Atlantic cable, connection with, [276], [292]
birth and education of, [233]
Congress’s action towards, [263], [270]
death of, [320]
difficulties in constructing his telegraph, [246];
in introducing it, [268], [281]
electrical studies, [234], [242], [244]
first line of telegraph constructed by, [273]
funeral of, [321]
honours conferred on, [308], [311]
Jackson, Dr., controversy with, [244], [256]
law-suits to protect patent rights, [303]
London visited by, [236], [295]
patents, [259], [265];
defence of, [303]
pictures painted by, [237]
photography, early connection with, [266]
proscribed German student’s case, [253]
rewards of, [309], [313]
statue of, [315]
telegraph, distinguishing features of, [279];
first conception of, [244];
first public description of, [260];
labours to improve, [247];
practical working of, [260];
public trial of, [268];
refusal of, by American Government, [283];
spread of, [284];
uses of, [286];
working of, [289]
trial of first telegraph line, [277]
submarine cable, first, [269], [276], [292]
N
Needle telegraph, [143], [167]
Niagara visited by Prof. Tyndall, [75]
O
Ohm’s work and theory, [140]
O’Shaughnessy, Dr., introduction of telegraph in India, [310]
P
Palmerston, Lord, on telegraph, [194]
Pasteur’s experiments with germs, [52]
Photography, invention of, [266];
introduction of, [211], [267]
Piz Morteratch, accident upon, [67]
Polarised light, Wheatstone’s experiments, [222]
Printing telegraph, Wheatstone’s, [161]
Proscribed German student, Morse’s account of, [253]
Pseudoscope, invention of, [216]
Q
Queenswood College, [15]
R
Railway mania of 1845, [13]
Recording telegraph, Morse’s, [277], [290];
Wheatstone’s, [199]
Relay, first accounts of, [141], [249]
Resistance measurer, [163]
Return circuit, [171]
Revolution effected by electricity, ix.
Revolving mirror, uses of, [124]
Rheostat, Wheatstone’s, [165]
Ricardo, J. L., connection with telegraph, [183]
Ronalds’s telegraph, [110]
Rosa, Monte, ascent of, [61]
Royal Institution, changes at, [84];
lectures by Tyndall at, [30], [38], [87]
S
Scientific attainments, recognition of, in England, [35]
Scientific discovery, the pursuit of, [79]
Sea-water, varying tints of, [56]
Semaphore telegraph, [180]
Slaty cleavage, [36]
Smoke respirator, invention of, [54]
Sound, transmission of, [56];
Wheatstone on, [116]
Sounder, the Morse, [291]
Spectrum analysis of electric spark, [127]
Standards, electrical, [164]
Steinheil’s telegraph, [136]
Stereoscope, invention of, [210];
improvement of, [212];
principle of, [215]
Submarine cables, earliest experiments with, [187], [269], [276], [292]
T
Tawell, murderer, apprehended by use of telegraph, [178]
Telegraph, adoption of, by public, [173], [283]
automatic telegraph of Wheatstone, [199]
cables, earliest, [189], [269], [292];
illustration of working, [95]
charges for, [181]
dial, invented by Wheatstone, [158];
improvement of, [196]
early forecasts of, [106];
early achievements of, [173], [277], [284]
electro-magnetic, Morse’s, [248], [277], [290];
Wheatstone’s, [158]
extension of, [173], [181], [284], [292]
history of, [134], [144], [153], [173], [244], [260], [282], [292]
idea and invention of, [105], [244]
longitude ascertained by, [287]
Morse’s recording, [244], [260], [280], [290]
needle, [143], [167]
origin of, [134], [138], [142], [150], [244], [292]
pedigree of, [108]
recording, [199], [246], [260], [268], [277], [290]
relay, [141], [249]
sounder, the Morse, [290]
Wheatstone’s first needle, [143];
dial, [158];
printing, [161];
recording automatic, [199]
Telephone, first, [115]
Thermo-electric pile, [129], [205]
Thermometers, self-registering, [221]
Tyndall, Professor J.:
ancestors of, [3]
anecdotes of, [34], [93], [97]
birth and education of, [4]
daring experiment by, [47]
description of, by George Ripley, [72]
diamagnetism, explanation of, [24], [29]
duty, sense of, [19]
endowments for scientific purposes, [80]
Faraday, associations with, [26], [30], [102]
Germany, student life in, [17], [21]
German scientific friends of, [21], [26]
investigation of diamagnetism, [24], [29];
germs, [51], [98];
glacier phenomena, [38];
radiant heat, [42], [58];
sea-water tints, [56];
slaty cleavage, [36];
sound, [56]
marriage of, [86]
Ordnance Survey joined, [9]
Pasteur, remarks on, [52]
pecuniary assistance declined by, [20], [102]
Presidential address to British Association, [81]
Professor of Natural Philosophy, appointed, [31]
radiant heat, on, [42], [58]
railway surveying by, [12]
reminiscences of Thomas Carlyle, [99]
Royal Institution, at, [30], [85]
scientific adviser to Trinity House, [102]
scientific examiner at Woolwich, [35]
smoke respirator, invention of, [54]
teaching at Queenswood College, [15];
elsewhere, [96]
travels of, in the Alps, [60];
at Vesuvius, [70];
in America, [71], [74]
vindication of scientific education, [35].
working habits, [12]
youthful studies, [8], [10], [21]
V
Velocity of electricity, [93], [124];
of light, [125]
Vesuvius, visited in 1868, [70]
Vision, Wheatstone’s elucidations of, [210]
Voltaic battery described, [88];
discovered, [110]
W
West, Benjamin, associated with Morse, [236]
Wheatstone, Professor Charles:
birth of, [111]
bridge, [164]
cryptograph, [219]
death and funeral, [228]
deciphering secret document, [220]
dispute with W. F. Cooke about telegraph, [134], [138], [146], [153]
electricity, first studies in, [123]
enchanted lyre of, [111]
harmonium improvements, [123]
honours conferred on, [166], [226]
invention of chronoscope, [162];
concertina, [120];
cryptograph, [219];
dynamo, [206];
electric clock, [160];
enchanted lyre, [111];
kaleidophone, [117];
magnetic exploder, [186];
magneto-electric machine, [159];
polar clock, [223];
pseudoscope, [216];
stereoscope, [210];
telegraph, [134] (see [Telegraph]);
thermometers, [221]
inventions, periodicity of, [223]
investigation of algebra, [224];
Chladni figures, [117];
earth’s motion, [217];
mental philosophy, [117];
musical instruments, [120];
polarised light, [222];
sound, [116], [118];
submarine cables, [187];
submarine explosions, [185];
thermo-electric pile, [129], [205];
tone, [224];
vision, [210]
investigations, latest and incomplete, [224]
lightning conductors, opinions on, [131]
magnetic exploder, [186]
measurement of force of electric currents, [163]
originality of his telegraph, [134], [138], [144]
patents of, [142], [154], [160], [167], [196]
peculiarities of, [225]
Professor of Experimental Physics at King’s College, [123]
revolving mirror, [124]
speaking machines, improvements in, [117]
spectrum analysis of electric light, [127]
submarine cables, early experiments with, [187]
telegraph, diagram of first, [141];
history of, [144], [153];
origin of, [134], [138], [142], [153]
telegraphic instruments, automatic, [199];
dial, [158], [196];
needle, [141], [145], [167];
printing, [161]
thermo-electric pile, [129], [205]

RICHARD CLAY AND SONS, LONDON AND BUNGAY.