Rollin White
... that Rollin White was an American gunsmith who invented a revolver with a bored-through cylinder which allowed the use of metallic cartridges?
... that <b id="mwwg"><a href="./Rollin_White" id="mwww" rel="mw:WikiLink" title="Rollin White">Rollin White</a></b> was an American gunsmith who invented a revolver with a bored-through <a href="./Cylinder_(firearms)" id="mwxA" rel="mw:WikiLink" title="Cylinder (firearms)">cylinder</a> which allowed the use of metallic cartridges?