Map

substance

Copper Sulphate

Colors & materials

A named household craft formula / material lemma (Copper Sulphate) drawn from public-domain dyeing and household-receipt speech (Beech / Hale).

  • Copper Sulphate is historically related to Iron.

    beech-cotton-dyeing seats orphan copper-sulphate beside iron as a first craft peer — object speech, not a text-container or tradition dump.

    from Franklin Beech · The Dyeing of Cotton Fabrics, 1901 (Gutenberg #21224; PD in the USA)

    historically related to · sourced · documented

sources