![A flintlock revolver rifle, Collier system, London, circa 1820/25, Blued Damascus steel barrel with top and bottom rib, eight-groove rifled bore in 14 mm calibre. Silver front sight, dovetailed rear sight. The A flintlock revolver rifle, Collier system, London, circa 1820/25, Blued Damascus steel barrel with top and bottom rib, eight-groove rifled bore in 14 mm calibre. Silver front sight, dovetailed rear sight. The](https://c8.alamy.com/comp/TB6MEF/a-flintlock-revolver-rifle-collier-system-london-circa-182025-blued-damascus-steel-barrel-with-top-and-bottom-rib-eight-groove-rifled-bore-in-14-mm-calibre-silver-front-sight-dovetailed-rear-sight-the-exterior-of-the-barrel-heavily-worn-with-renewed-surfaces-the-midrib-in-the-middle-section-slightly-worn-through-by-cleaning-on-the-barrel-rib-the-renewed-engraving-eh-collier-129-london-five-shot-cylinder-self-loading-frizzen-with-priming-19th-century-additional-rights-clearance-info-not-available-TB6MEF.jpg)
A flintlock revolver rifle, Collier system, London, circa 1820/25, Blued Damascus steel barrel with top and bottom rib, eight-groove rifled bore in 14 mm calibre. Silver front sight, dovetailed rear sight. The
![Patented by Elisha Haydon Collier | Collier Second Model Five-Shot Flintlock Revolver | British, London | The Metropolitan Museum of Art Patented by Elisha Haydon Collier | Collier Second Model Five-Shot Flintlock Revolver | British, London | The Metropolitan Museum of Art](https://images.metmuseum.org/CRDImages/aa/original/LC-56_165-011.jpg)
Patented by Elisha Haydon Collier | Collier Second Model Five-Shot Flintlock Revolver | British, London | The Metropolitan Museum of Art
![Flintlock revolver, by Elisha Haydon Collier, c.1819; Collier's 2nd model, with improvements, c.1820 Flintlock revolver, by Elisha Haydon Collier, c.1819; Collier's 2nd model, with improvements, c.1820](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.QED.627210.7055475/9547.jpg)