DYEING WITH COCHINEAL: For 1 LB wool use 1
Pre-mordant wool with alum (see mordanting
Soak cochineal in warm water for 1 hour, boil
for 15 minutes, then strain. Add cold water to the strained liquid
until the dyebath holds 4 to 4½ gallons.
Rinse mordanted wool thoroughly; squeeze out
excess moisture. Enter wool into dyebath. Bring slowly to a simmer
and hold temperature for 1½ hours, stirring occasionally.
Turn heat off, allow bath to cool slowly. Remove wool, rinse and
hang to dry.
If you want to make wool felt: subject it to
abrupt changes of temperature combined with agitation (stirring too
hard or too fast). To prevent felting: avoid temperature-shock and