1851 Great Exhibition: Official Catalogue: Class VIII.: Thomas Henry Potts
207. POTTS, THOMAS HENRY, Haydon Square, Minories - Inventor and Manufacturer.
1. A double-barrel gun (finished), with improved breeches, bolted triggers, etc.
2. Similar gun, in a bright (unfinished) state.
3. An instrument for drawing the breeches, applicable to all sorts of fire-arms.