John M. Thomson. The Practical Dyer's Assistant. 1849.

GLOSSARY AND INDEX.

A.—Adjective dyes, [24]. Dyes which require a mordant.

[Alder bark], [43], [44], [100], [126].

Alizarin. The chief colouring principle of madder. It is also the name for an extensive series of chemical colours produced from [anthracene], one of the coal tar hydrocarbons, discvrd., 1868.

Alkaline ley, [28].

[Almond], [120].

Alum, [26-29].

Aluminium sulphate, [26].