eing of, 225.

Scarlet, 88, 89, 135, 145, 146, 152, 153, 155, 215, 217, 230.
-- R, 220.

Schaeffer's acid, 134.

Scouring cotton, 23.

Sea green, 94, 151.

Seal brown, 146.

Seed hairs, 1.

Shot effects, 220.
-- on satin, dyeing of, 235.
-- with black cotton warp, 236.

Silver grey, 106.

Singeing of cotton, 27.
-- wash of cotton, 28.

Sky blue, 95, 98, 151, 215.

Slate, 106, 218, 231, 233.
-- blue, 97, 120, 152, 216.
-- green, 218.

Sliver dyeing, 58.

Slubbing dyeing, 58.

Soap, 165.
-- effect on dye-stuffs, 226.

Soaping of dyed goods, 247.

Soda, 86, 132, 178.
-- ash, 34, 166.
-- crystals, 169.
-- lye, 202, 235.
-- zinc vat for indigo dyeing, 204.

Sodium acetate, 196.
-- bichromate, 164.
-- nitrite solution, 196, 198.
-- stannate, preparing with, 158.

Solid blue, 229.
-- green, 229.
-- O, 179, 180.

Solidogen A, 145.

Soluble blue, 150, 160, 229.

Spencer's hank-wringing machine, 241.

Squeezing rollers, 240.

Stains in bleached goods, 50.

Steam aniline black, 207.
-- -- blacks, 248.

Steaming and ageing chamber, 250.
-- cottage, illustration of, 249.
-- of dyed goods, 248.

Stearic acid, 3.

Stitching of cotton, 25.

Stone, 218.

Structure of cotton fibre, 1.

Sulfaniline black, 121.
-- -- G, 124.
-- brown, 121.
-- -- 4 B, 127.

Sulphate of copper, 177.
-- of iron, 167.

Sulphonates, 182.

Sulphon azurine B, 210, 217, 218.
-- D, 93.

Sulphur colours, 121.

Sulphuric acid, 166.
-- action of, on cotton, 10.

Sulphyl colours, 121.

Sumac, 83, 147, 148, 165, 166, 167, 172, 173, 178, 239.
-- extract, 169, 175, 219, 220.

Sun yellow, 90.

T.

Tannic acid, 18, 20, 83, 147, 172.
-- mordant, dyeing on, 147.

Tannin, 173, 174, 236.
-- grounding, 173.
-- heliotrope, 145, 153, 229.
-- orange R, 154, 155, 229.

Tanning, 148.

Tartar emetic, 147, 192, 219, 220.

Tartaric acid, 180.

Temperature of dye-baths, 226.

Terra-cotta brown, 143.
-- red, 90, 143.

Testing of the colour of dyed fabrics, 257.

Thiazole yellow, 93, 94, 209.

Thiocarmine R, 84, 211, 214.

Thioflavine S, 94, 104, 106, 209, 213, 215, 222, 223, 228, 229.
-- T, 153, 154, 229, 231, 232.

Tin crystals, 147, 169, 179.
-- oxide, fixing, 158.

Titan blue, 210, 211.
-- -- 3 B, 93, 102, 164.
-- -- R, 102.
-- brown O, 210.
-- -- P, 164.
-- -- R, 102, 210.
-- -- Y, 161, 210.
-- colours, 227.
-- como G, 95.
-- -- S N, 98.
-- dyes, 18, 85.
-- gold, 101, 102.