objectPerch BoltObjectsA named craft tool / part lemma (Perch Bolt) drawn from public-domain workshop speech (smith / watch / coach / harness / shoe / finish / pottery / glue / paint).Perch Bolt is historically related to Iron.coach-building seats orphan perch-bolt beside iron as a first craft peer — object speech, not a text-container or tradition dump.from James W. Burgess · A Practical Treatise on Coach-Building, PD Gutenberg #72016historically related to · sourced · documentedsourcesA Practical Treatise on Coach-Building · James W. BurgessJames W. Burgess, A Practical Treatise on Coach-Building (PD Gutenberg ed.).