- sour operation, 32.

Grothe, 252.

Ground fustic, 166.

Guinea green B, 211, 218, 224.
-- violet B, 224.
-- -- 4 B, 211, 218.

Gum tragacanth, 192.

Gun cotton, 13.

H.

Half-silk fabrics, dyeing of, 225.

Hand dyeing, 53.

Hank bleaching, 45.

Hank-dyeing machine. Corron's, 63.
-- -- Klauder-Weldon's, 61, 62.

Hank-wringing machines, 241.

Havanna brown, 166.

Hawking machine, Holliday's, 78.

Hawthorne's washing machine, 36.

Heliotrope, 99, 233.
-- B B, 90, 146.
-- 2 B, 99, 233.

Hessian brown 2 M, 98.
-- -- 2 B N, 100, 231.
-- grey S, 231.
-- purple N, 230.
-- violet, 211.

Hoffman violet, 152.

Holliday, 182.

Holliday's hawking machine, 78.
-- yarn-dyeing machine, 60.

Hurst's _Silk Dyeing_, 225.

Hydrocellulose, 12.

Hydrochloric acid, 177, 183, 184, 190.
-- -- action of, 11.

Hydro-extractors, 251, 252.

Hydrosulphite indigo vat, 204.

I.

Immedial black, 107, 121.
-- blacks, 79.
-- blue, 121.
-- -- C, 125.

Immedial bronze A, 128.
-- -- B, 128.
-- brown, 121.

Impregnation with dye-stuff solution, 198.

Indamine blue N, 154.

Indazine, 229.

Indian yellow G, 211, 213, 214, 216, 217, 222, 229, 231.
-- -- R, 211, 213, 214, 229, 231, 232.

Indigo, 18, 20, 198.
-- blue, 152, 154.
-- -- N, 229, 233.
-- -- S G N, 229.
-- carmine, 165.
-- dyed goods, test of, 258.
-- dyeing, 199.
-- dye-vat for cloth, 199.
-- extract, 84, 167.
-- white, 200.

Indigotin, 198.

Indophenol, 205.

Induline, 229.

Irisamine G, 152, 153.

Iron, 157.
-- liquor, 172, 175, 176, 180.
-- mordants, 259.
-- stains, 50.
-- sulphate, 112.

J.

Janus black I, 219.
-- -- II, 219.
-- blue G, 155.
-- -- R, 155, 219.
-- brown B, 156, 219.
-- -- R, 219, 220.
-- claret red B, 156, 219.
-- dark blue B, 219.
-- dyes, 155, 218.
-- green B, 155, 219, 220.
-- grey B, 156.
-- -- BB, 219, 220.
-- red B, 155, 219.
-- yellow G, 219.
-- -- R, 155, 156, 219, 220.

Jet black, 121.

Jigger, 72.

Jig-wince, 74, 75.

K.

Katigen black, 121.
-- brown, 107, 121.
-- dark brown, 128.
-- green, 121.
-- olive G, 127.

Khaki, 180.
-- shades, 248.

Kiers, 30.

Klauder-Weldon hank-dyeing machine, 61, 62.

L.

Lanacyl blue B B, 211.
-- violet B, 211, 217.

Leaf green, 94, 113, 114, 231.

Lehner's process for making silk, 15.

Lemon yellow, 91.

Leuco, 198.

Light blue, 115, 138.
-- brown, 101, 103, 117.
-- chestnut brown, 137.
-- green, 114, 143.