Cheltenham salts, 294.

sweetmeat, 82.

Circassian tooth powder, 95. Citrate of magnesium, 296.

preparations, 70-75.

bronze, Walker's, 46.

test of written documents, 201.

Cherries, candied, 83, 84.

Cherry cordial, 19, 20.

extract, 14.

liqueur, 19.

marmalade, 84, 85

sweetmeat, 82. water, 14.

wine, 159.

Chestnuts, coated, 83.

Chicken feathers, utilization of, 165.

Chilblains, remedy for, 160.

Children, milk foods for, 132.

Chinese blood cement, 65.

bronze, 44.

bronze, imitations of, 7.

bronzes, 7.

drying oil, 248.

liqueur, 26.

lozenges, 84.

silver alloy, 7.

silver, preferable to pure or German silver

for utensils, 7.

varnish, 208.

Citronelle, 20.

Claret ratafia, 26.

Clarifying of beer, 222, 223,

of varnishes and liquids, 205.

rags for polishing metal, 419.

silk, cloth, and hats, 76.

silver dial plates, 42.

wash leather, 419.

woollen tissues, 35, 36.

Cloth as a substitute for leather, 383.

cleaning compound, 419.

down, 345.

impregnating with caoutchouc, 385.

Johnson's varnish for water-proofing, 423. oil, 345, 346.

water proof, which is not impervious to the air, 383.

Cloths, red, cleansing salt for, 365.

scouring soap for, 76.

Clove essence, 14.

Coach varnishing, 212-214.

Coal and rosin, fuel from, 137.

Coal ashes and blood, black pigment from, 267.

Coal ashes, manure from, 169.

Coal dust fuel, 137.

Coal-tar, ammoniacal liquor from, utilization

Colors, water, 272, 273.

Combs, horn, manufacture of, 435.

horn, to make elastic, 446.

Combustion, spontaneous, experiments with oils in regard to, 438.

Commercial bronzes, 45.

Composition for billiard balls, 62.
for ornaments, etc., 62.
for picture frames, 62.

for razor strops, 63.
for rollers, 62.

Compound for buttons, dice, etc., 43.

water-glass, preparations of, 378, 379. Compressed yeast, to make, 227–229. Concrete marble, 54.

Condensed milks, 132.

Conductors, electrical, insulating material for,

417.

Confectionery, 80-86.

Cooking utensils, tinning of, 114.

Copal varnish, to make, 202-205, 208.

varnishes with coal-tar varnish oils, 212.

Copper alloys, 7, 8.

as a solder for iron, 337.

bath for nickelling, 109.

bronzing on, 413.

castings, dense and flexible, 242.

cold silvering of, 112, 113.

fireproof bronze on, 45.

gilding of, by boiling, 111.

plate engravings, to bleach, 37.

platinum and palladium alloy, 403.
steel, receipt for, 242.

sulphate of, to prepare, 74.

to give it a durable lustre, 46.
to weld, 241.

vessels, to enamel, 116.

Coppering bath for iron or steel articles, 115. galvanic, Gourlier's salt mixture for, 114.

Copying, 423.

and printing, 86-89.

drawings in black lines on white ground,

Cordova blacking, 320.

Cork, gas from, 170.

paper, 275.

stone, 415.

Crimson crayons, 79.

dye starch, 365.

vinegar, 358.

Corks, rubber, to cut and pierce, 164.

rubber, to restore, 377.

Corn oil from corn mash, 251.

Corns, remedy for, 160.

Corset busks, artificial whalebone for, 178.
Cosmetic and medicated waters, 290–292.

powders, rouges, 292.

Cosmoline, to prepare, 248, 249.

Cotton and linen goods, finishing of by waterglass, 380.

and muslin prints, to wash without injury to the colors, 368.

and silk goods, soap for removing stains
from, 76.

and vegetable fibres, cleansing of, 34.
fabrics, to tan, 220.

goods and yarns, 20.

goods, sizing for, 322, 323.

goods with woven borders, to bleach, 34.

Cotton, gun, 32.

Cotton piece goods, to bleach, 34.

prints, dressing for, 325, 326.

Cotton-seed hulls, utilizing, 451. oil in olive oil, 1.

oil, manufacture of, 449, 450.

oil, production of soap and sebacic acids from crude, 451.

oil, refining, 251, 451.

Crown glass, 143.

Cryolite glass, 142.

Crystal glass, 142.

Crystalline coating for wood or paper, 421. Crystallized indigo, 184.

Cumin cordial, 20.

essence, 14.

liqueur, 20.

Cupro-ammonium for rendering paper and textile fabrics water-, rot-, and insectproof, 453, 454.

Curaçoa, 20.

French, 20.

Holland, 20.

Currant wine, 159.

Currier's black gloss, 215.

Cutlery, fluid for hardening, 240.

Cyanide of potassium, from nitrogeneous organic substances, 377.

Cyanotype, 87.

Cyclostyle, the, 88, 89. Cypre, eau de, 21.

from beer yeast, 402.

Crape, white silk, to wash, 363.

Crayons, black, 79.

brown, 79.

crimson, 79.

green, 79.

materials, how to select, 78, 79.

red, 79.

white, 79.

yellow, 79.

Cream bon-bons, 81.

of tartar, to prepare, 73.

shaving, 446, 447.

walnuts, 81.

Creams, soap, 332, 333.

Crême du café, 83.

du chocolade, 83.

Fondant, 85.

ground mass for, 85. Creosote ointment, 166.

to prepare from wood-tar oil, 255. Creuzburg's process of making water-glass paint more durable than oil or varnish, 381.

varnish for, 208.

Eau Americaine, 20.
D'Amour, 21.

D'Absynth Citronné, 21.
D'Ardelle, 21.
D'Argent, 21.
d'Or, 21.
d'Orient, 21.
de Cologne, 282.
de Cypre, 21.
de Dauphin, 21.

de Lavande Ambra, 282.

de Napoléon, 21.

de Paradise, 22.

de Paris, 282.

de Santé, 22.

de Sept Graines, 22.
des Alpes, 282.
des Princesses, 22.
precieuse, 22.
royal, 22.

Ebony, artificial, 177.

stains, 393.

Edinburgh ink, 196.

Edison's electric pen, 88.
Effervescing vinegar, 361.

Egg syrup, 136.

Eggs, to preserve, 312, 313.

yelks of in tawing, to preserve, 217. Elaeosaccharum, 80.

starch, 365.

324.

bone and ivory, 41.

106, 107.

leather, 217-221.

rabbit skins, 219.

pen, Edison's, 88.

Electricity, 110.

naturally white skins, 220.

sheepskins, 219, 220.

straw, 455, 456.

woollen and cotton goods and yarns, silk,

straw hats, felt hats, kid gloves, horsehair, etc., etc., 107.

wool, silk, and cotton with aniline colors, 100-105.

Dyes for straws, 456.

hair, 289, 290.

testing of, for adulteration, 3. Dynamite, A. Nobel's process, 29. by Anthoine and Genaud, 29. cellulose, 29.

elling, silvering, tinning, etc., 107-115.

Elemi ointment, 166.

Elixir, Abbé, 16.

Angel, 17.

Colombat, 17.

de St. Aur, 17.
des Troubadours, 17.
juniper, 17.

Monpou, 17.

of life, 17.

Tabourey, 17.
vital, 17.

Elixirs, 16, 17.

Email photographs, 300.

Embossing, preparation of surfaces for, 345, Embroidered fabrics woven with gold, to wash,

364.

Embroidered linen, to wash, 364.
muslin, to wash, 364.
Embroideries, pearl, to wash, 366.
Embroidery, silver, to polish, 364.
Emerald, formula for, 10.

green for gems, formula of, 10.

Emery paper, 278, 279.

Emulsion, for photographers, 298. sensitive collodion, 306.

Emulsions, gelatine, photographic, 300.
Enamel, arsenical, 144.

for fine cards, etc., 421.
for sheet-iron, 116.

for watch dials, 117.

Etching ground, printing ink which can be used as, 191.

ink for glass, 431,
on glass, 147.

Ether, acetic, to prepare, 358.
naphtha, 170.

Eugenie's nosegay, 282.

Expedients, preparations, 70-75.
Explosive agents, 424-426.

and pyrotechnic substances, 424.
combination, 424.
substances, 424.

substances, use of hyponitric acid for,
425, 426.

Exterminator, moth and roach, 446.
Extract, anise-seed, 13.
cardamon, 14.
Koch's herb, 23.
mace, 13.

of elder blossoms, 106.

orange blossom, 15.
orange peel, 15.
raspberry, 16.

soup, 129.

strawberry, 16.

Extracts, 283, 284.

essences, tinctures, and waters, 13-16.
malt, 296.

Eyes, artificial, manufacture of, 408, 409.

Fabrics, colored, to give a lustre to, 346.

double, water-proof not impermeable to
air, 385.

linen, hempen, and cotton, to tan, 220.
metallic lustre upon, 348.

new process for water proofing, 385.

textile, to render water-, rot-, and insectproof, 453, 454.

textile, to water-proof, 384.

textile, to water-proof and give greater con