Source citation ledger

Philosophy of Permanent Colours

Edward Bancroft

book · 1813 (and later PD editions)

Edward Bancroft, Experimental Researches Concerning the Philosophy of Permanent Colours.

Experimental Researches Concerning the Philosophy of Permanent Colours

Added 2026-10-18 (yield-gated wave 9). Preflight dye/pigment orphans (~32 classical). Refuse modern arylide/hansa/cadmium chrome. License-check required. Keep apart beck-draper and merrifield-painting.

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