objectCopper GrooveObjectsA named craft tool / part lemma (Copper Groove) drawn from public-domain workshop speech (cement / trades / earth / polish / pottery / copper / hat / turner / painters / Burroughs).Copper Groove is historically related to Iron.ure-dictionary seats orphan copper-groove beside iron as a first craft peer — object speech, not a text-container or tradition dump.from Andrew Ure · Dictionary of Arts, Manufactures, and Mines, 1839 (and later PD editions)historically related to · sourced · documentedsourcesDictionary of Arts, Manufactures, and Mines · Andrew UreAndrew Ure, A Dictionary of Arts, Manufactures, and Mines.