細節
A .450 SINGLE-BARRELLED FALLING-BLOCK SPORTING RIFLE BY ALEX. HENRY, No. 5660, patent No. 2140, faceted backlock with bolted hammer and traces of hardening-colour, plain finish, figured stock with butt-plate, the Henry-rifled barrel with open-sights
Weight 7lb. 10oz., 14¼in. pull, 29½in. barrel, Black Powder proof