content_output-020_10 (Q5591)

ry of gun-barrel proving—The early charters of the London Gunmakers' Company—The Birmingham Proof House—Rules and regulations and scales applicable to the proof of small arms—Classification of arms—Rule of proof—Conditions precedent to proof—Marks of proof—Proof scales for rifled small arms, breech-loading shot-guns, other varieties—Supplementary proofs—Proof scale for rifled choke-bores—Mode of proving—The work of an English proof house—Foreign proof houses—Foreign proof marks