substance

Blue Precipitate

A named craft material / finish lemma (Blue Precipitate) drawn as an exact public-domain workshop phrase.

Blue Precipitate is historically related to Workshop.
mineral-lake-pigments seats orphan blue-precipitate beside workshop as a first craft peer — object speech, not a text-container or tradition dump.
from Josef Bersch (tr. PD) · The Manufacture of Mineral and Lake Pigments, PD Gutenberg #72143
historically related to · sourced · documented
Blue Precipitate is historically related to Wool.
Workshop-neighbor enrichment: blue-precipitate already meets workshop; second seating beside wool (not another workshop dump).
from Josef Bersch (tr. PD) · The Manufacture of Mineral and Lake Pigments, PD Gutenberg #72143
historically related to · sourced · documented
Blue Precipitate is historically related to Glass.
Workshop-neighbor enrichment: blue-precipitate already meets workshop; second seating beside glass (not another workshop dump).
from Josef Bersch (tr. PD) · The Manufacture of Mineral and Lake Pigments, PD Gutenberg #72143
historically related to · sourced · documented
Blue Precipitate is historically related to Medicine.
Workshop-neighbor enrichment: blue-precipitate already meets workshop; second seating beside medicine (not another workshop dump).
from Josef Bersch (tr. PD) · The Manufacture of Mineral and Lake Pigments, PD Gutenberg #72143
historically related to · sourced · documented