[INDEX.]
Aberration, chromatic, [23];
spherical, [22].
Acetic acid, [66].
Albumen, [63];
preparation of positive paper with, [206].
Alcohol, [70];
used in sensitizing paper, [201].
Ammonia, [71].
Ammonio-nitrate of silver, preparation and use of, [152].
Animal charcoal, [74].
Barium, chloride of, [77].
Baths, glass, [211];
gutta-percha, [34].
Bichloride of mercury for whitening positives, [159].
Bromide and iodide of potassium and silver, [60].
Bromide of potassium, [73].
Bromine, properties of, [72].
Bromo-iodized collodion for positives, (ambrotypes), [58], [59];
for negatives, [60].
Camera boxes, [28].
Camera, construction of, [28].
Camera stands, [31].
Carbonate of soda, [73].
Chemical and visual focus, [21].
China clay, [75].
Chloride of ammonium, [77].
Chloride of barium, [77].
Chloride of gold, preparation of, [83];
for toning, [155]
Chloride of sodium, [78].
Chlorine, [75].
Chromatic aberration, [22].
Citric acid, [78].
Cleaning glass plates, [129].
Coating large glasses with collodion, [160].
Collodion, manufacture of, [53];
iodized for positives, [58], [59];
for negatives, [60];
mode of coating glasses with, [131];
vials, [38].
Collodio-Albumen process, Dr. Taupenot, [190].
Color-boxes, [38].
Cutting's patents and correspondence, [173].
Cyanide of potassium, [79];
use of, [63].
Decomposition of light, [16].
Developing solution for positives, [62];
for negatives, [144], [145].
Dippers, glass and gutta-percha, [34].
Double iodide of potassium and silver, [61].
Ether, preparation of, [79].
Fixing positives on glass, [134];
negatives on glass, [146];
positives on paper, [155].
Fluoride of potassium, [81].
Fogging of collodion positives, [137].
Formic acid, [81].
Fulminating gold, [84].
Gelatine, properties of, [82];
for mounting photographs, [157].
Glass, cementing, [158].
Glass plates, cleaning of, [129];
coating with collodion, [131];
coating with albumen, [193].
Glass rods, bending of, [158].
Glycerine, its properties, [82].
Gold, chloride of, preparation of, [85];
for toning, [155].
Grape sugar, [86].
Hadow, Mr., Researches and Formula for making soluble cotton, [46];
on iodizing collodion, [54].
Head rests, [33].
Helio, collodion process for positives and negatives, [164].
Honey, [86].
Humphrey's collodion gilding, [63].
Hydrochloric acid, [87].
Hydriodic acid, [87].
Hydrosulphuric acid, [88].
Hypo bath, [203].
Hyposulphite of gold, [85].
Hyposulphite of silver, [17].
Hyposulphite of soda, preparation and properties of, [89].
Instantaneous positives, [159].
Iodide of ammonium, preparation of, [91];
for iodizing collodion, [58], [59].
Iodide of cadmium, [92].
Iodide of iron, preparation of, [93];
its uses and acceleration, [159].
Iodide of potassium and silver, preparation of, [61];
use in sensitizing collodion, [58], [60].
Iodide of potassium, properties and preparation of, [94].
Iodide of silver, preparation and properties of, [112];
its use in the nitrate bath, [65], [147].
Iodine, preparation and properties of, [90].
Iodized collodion, [58], [59], [60], [131].
Iron, perchloride of, [98].
" protonitrate of, [97].
Jenny Lind stands, [32].
Kaolin, properties of, [75].
Lenses, double-convex, concavo-convex, double-concave, [19].
Lenses, forms of, [19], [20];
combination of, for portraits, [27];
chromatic aberration of, [23];
spherical aberration of, [22].
Leveling stands, [35].
Light, decomposition of, [16].
Litmus, [98].
Manipulations of the positive collodion process, [129];
negative process, [143].
Measures and Weights, [210].
Milk, [99].
Mounting positives on paper, [157].
Negatives for printing positives, [151], [169].
Nitrate of potash, [102].
Nitrate of silver, [116].
Nitrate of silver bath, mode of preparing for positives, [64];
for negatives, [147];
for negatives and positives in Helio's process, [164].
Nitrate of silver used in developing negatives, [145].
Nitric acid, preparation and properties of, [100];
use in nitrate bath, [65], [147];
use in making soluble cotton, [46].
Nitro-sulphuric acid used in preparing soluble cotton, [42], [51].
Oxide of silver, preparation of, [109].
Oxygen, [109].
Oxymel, preparation of, [105].
Paper, sensitive, for printing, [152];
alcohol used in, [201].
Patent for the use of camphor in combination with iodized collodion, [176];
for sealing photographic pictures, [177];
for the use of alcohol as a desiccating agent, [178];
for the use of bromide of potassium in collodion, [178];
for the use of japanned surfaces for taking positives, [179];
for photographic pictures in oil, [181];
for making transparent borders, [183];
coloring positives, [185], [187];
for albumenized collodion, [186].
Plate-Holders, Lewis's patent, solid glass corners for, [137].
Plato vices, [64].
Portrait lenses, combination of, [27].
Positives, (ambrotypes,) process for producing, [129];
by the Helio process, [164];
printing on albumenized paper, [192], [206];
ammonio-nitrate of silver used in, [152];
use of chloride of gold in toning, [155];
fixing, [155];
fixing and brightening, (ambrotypes), Humphrey's collodion gilding
used in, [63];
printing frames for, [36];
collodion for, [58], [59];
mica used for, [136].
Positives, enlarging from negatives, [199].
Potash, [105];
carbonate of, [106].
Practice of the positive collodion process, [129];
negative process. 143;
Helio's positive and negative process, [164];
printing on paper, [151].
Prism, [14];
refraction of light by, [14].
Protosulphite of iron used in developing positives. 62;
negatives, [144].
Pyrogallic acid, preparation of, [107].
Sensitizing paper, use of alcohol in, [201].
Silver, properties of, [107];
removal of stains from the nitrate of, [161];
recovery of from waste solutions, [203].
Solar spectrum, [14].
Soluble cotton, [42];
Hadow on, [46].
Spherical aberration, [22].
Spots upon positives, [139].
Stains and lines upon positives, [139].
Taupenot, M., his Collodio-albumen process, [190].
Test-paper, use of, [205].
Toning bath for positives on paper, [155].
Weights and Measures, [210].
CORRECTIONS.
[Transcriber Note: Corrections have been applied to text.]
On [Page 61] and 16th line from the top, for "Iodide of Silver," read Iodide of Potassium.