1851 Great Exhibition: Official Catalogue: Class VIII.: Peter Hawker
205. HAWKER, Col. PETER, Longparish House, near Vaitchurch, Hants — Inventor.
A stanchion gun, with improved waterproof ignition; forged and stocked on a new principle: intended to supersede patent breechings.
Model of a two-handed punt, containing double stanchion gun, gear, etc., for wild-fowl shooting, and mounted on the carriage to convey it by land.
Model of a two-handed punt for a single gun.