extinguishing hand grenades, 124.

to preserve, 313.

Fixateur, receipts for, 85, 86.

Flaxseed pulp, for clarifying beer, 222, 223.

yield of oil in, 2.

Forcite, 33.

Forks, alloys for, 6.

Foul air in wells, to remove, 168.
Fountain, table, to construct, 157.

Fournaise's water-proofing compound, 386.
Frames, gilding, 90, 91.

Frame work of old altars, to cleanse and renovate, 260.

enna, 123.

plating for iron, 115.

Fire-proof bronze, 45.

ceilings, mass for, 416.

floors, mass for, 416.

papers, colors, and printed matter, 454. wood, preparation of, 399.

resisting properties of building materials,

415.

Fires, white, 125.

Fireworks, 124-129.

for rooms, 128.

Fish, fluids for preserving, 311.

snuff, 354.

Franzl, process for cellulose dynamite, 29. Frear's artificial stone, 51.

Freckles, vinegar to remove, 285.

Freezing mixtures, 133, 134.

salt, 133.

French anisette, 17.

curaçoa, 20.

putty for wood, 67.

Frohnheiser's method of bleaching cotton, 34. Frosted glass, ornamenting, 434.

limbs, soap for, 332.

Frozen dynamite, 30.

caoutchouc cements for, 61.

colored, compositions for, 144, 145. colored designs on, 145.

compositions of, as actually used in various glass-works, 142–144.

composition of colors for and processes for enamelling, engraving, gilding, bending, etc., 141-146.

compound water, to prepare, 378, 379. crown, 143.

cutting, with a carbon pencil, 430, 431. decorating, 92.

Elli's cryolite, 142. enamel for iron, 118. engraving on, 145. etching ink for, 431.

to make opaque or frosted, 92.

to pulverize, 146.

toughened, 434, 435.

to wood, joining, 66.

transferring photographs to, 434.

tubes, how to bend, 146.

water, as a bleaching agent, 379, 380.

water, characteristics of, 378.

water, for finishing linen and cotton goods,
380.

water, for silicifying stones, 379.
water, from infusorial earth, 378.

water, its uses, 378-382.

water, Kuhlmann's process, 379.

water, preparation of fixing, 379.
window, 142.

window, substitute for, 178. with copper lustre, 431, 432. Glasses and saucers, to cleanse, 76. Glazed almonds, 84.

papers, stains for, 279, 280.

Glaze for beer barrels, 223.

for common earthenware, 146.

new, for barrels, vats, etc., 396, 397.

Glazes, Berlin white, etc., 146, 147. for colored goods, 326.

for earthenware, 146, 147.

for metals, 244, 245.

free from lead, 146.

Gloss on wall papers, 323, 324.

for toilet soaps, 334.

Gloves, kid, to dye with aniline colors, 104,

• 105.

preparation for cleansing, 75.

to cleanse without wetting, 78.

glue for enclosing microscopic objects, 68. soap, 331, 332.

solvent, power of, 453.

to gain from soapboilers' lye, 250, 251.
use in sizing and dressing, 323.

Wilson's process for preparing, 74.

Glyceroborates, calcium and sodium, 406, 407. Gold, alloy resembling, 8.

and aluminium alloys, 4.

and orange stain for brass, 414.

and silver lace, to wash, 362, 363.

and silver wires, alloys for imitating, 8.
bronze on iron, 46.

chloride of, to prepare, 73.

color, brilliant, on plated articles, 111.
for illuminating, 90.

445, 446.

water, 21.

water essence, 14, 15.

Gongs and bells, metal for, 8.

Goudron, essence de, 231.

Gourlier's salt mixtures for galvanic cop

pering, bronzing, etc., 114.

Grafting wax, 69.

Graham's bronzing liquids, tables, 47, 48.

Graining, 261.

Grease, Belgian wagon, 233.

belt, 435.

carriage, excellent, 233.

for machine belts, 231.

for water-proofing leather, 231.
French's machine, 233.
harness, 436.

stains, to remove from paper, 75.
stains, water for removing, 75.
to remove from silk, 75.
wagon, Persoz's patent, 234.

Greases, patent, 232, 233.
Greek bitters, 22.

Green, antique, 44.

bronze for brass, 44.
bronzing, 414.

color, innoxious, for candies, 85.
crayons, 79.

for artificial gems, formula for, 10.
marble, to grain imitation of, 262.
paint for outside work, 264.
pigments, 268, 269.

Green's blasting powder, 31.
Grenades, hand, 124.

Grenoble, ratafia de, 26.

Grinding colors, 260.
Grindstones, artificial, 51.

plastic water-proof, 51.

Ground mass for crême, 85.

Grünewald bitters, extract for, 14.
Guano, solution for flowers, 169.

substitute for, 169.

composition, 60.

how to color green or black, 60.

solution of, for shoemakers, 60.

substitute for, 182, 418.

min, 162, 163. tooth paste, 95. tooth powder, 95.

Hair dyes, 289, 290.

in tanneries, to preserve, 217.

oils, 286-288.

Hektograph, the, 88.

Heliotrope sweetmeat, 82. Hemlock ointment, 166. Hempen fabrics, to tan, 220. Hemp seed, yield of oil, 2.

to dye, 105.

to prepare for spinning, 346, 347.

Heptane, from California digger or nut pine tree, 254.

Herb cordial essence, 15.

extract, Koch's, 23. soap, Swiss, 333. Heron plumes, 118.

Heterogeneous alloy (Jean's), 6.
Hides and skins, to improve, 217.
to depilate, 215, 216.
Hoarseness, remedy for, 166.
Hoff's malt beer, 295.
Holland, anisette, 18.

curaçoa, 20.

gin, receipt for, 229.

Hollow articles, mass for, 63.

Honey and glycerine compound for blasting,

32.

from beets and carrots, 129, 130.

wine, 159.

342.

Hafenegger's gun and blasting powder, 30, 31.

combs, to make elastic, 446.

new method of treating, 43.

process of joining two pieces of, 446.

Horn, substitute for, 174, 178.

to imitate tortoise-shell, 43, 44.

Indigotine, Kopp's process of obtaining, 185-
187.

435.

Inflammable compounds, 236.

Infusorial earth for insulating steam-pipes, 137.
Ink, alkaline, 198.

autographic, 192.

cake, 199, 200.

etching, for glass, 431.

for bleached cotton and woollen goods, 200.
incombustible, 200.

lithographic, English, 192.

lithographic printing, 192.
marking, 200.

pale writing, to make black, 200.
powders, 194.

powder in capsules, 199.

printers', with coal-tar varnish oil, 190.
printing and stamping, containing iron, 190.
printing from coal-tar, 190.

printing, good, the properties which it

must possess, 187, 188.

printing, the manufacture of, 187–190.
stains, to remove, 75.

stains, to remove from silk, 75.

stones, 194.
vanadium, 196.

yellow, 198.

tissues, 123, 124.

torches, material for, 170.

varnish for wood, 208.

wicks, 170.

40.

Baudet's preventive, 40.

stamping and sympathetic, 200.
violet, 198, 199.

writing, 192-198.

boiler, 39, 40.

Roger's preventives, 40.

Saillard's receipt for removing and pre-
venting, 39.

I delible marking inks, 80.

I destructible inks, 193, 198, 199.

Insects and worms, to destroy, 161, 162.
Insect powder, Persian, 161.

Insole leather, imitation of, 183.

Insulating mass, flexible, 417.

material for electrical conductors, 417.
Insulation, heat, 137.

Intensifier, Davanne's, for spoiled photographic
plates, 299.