Antique Hand Lantern Bullseye Glass Lens. Victorian Police - Etsy
Lantern lens - OSRS Wiki
Bull's-eye police flash lantern – Works – New-York Historical Society
Bow Street Police Museum on Twitter: "This week we're diving deeper into one of the objects on display in the Museum as part of our #ObjectsinFocus series. A Dark Lantern or 'Bullseye'
W.T. Kirkman #225 Magnifying Bullseye Lens - The Source for Oil Lamps and Hurricane Lanterns
What is a “Dark Lantern,” anyway? – Dark Lantern Tales
Victorian Novelty Silver Policeman's Bullseye Lantern Sewing Etui & Vinaigrette by Walter Thornhill, London - Steppes Hill Farm Antiques Ltd