Breech-loading gun, produced in 1862 by Petrus Stevens in Maastricht, Netherlands. Collection: Rijksmuseum Amsterdam, ref. nr. NG-MC-1224.
Unknown photographer (Rijksmuseum)
<a rel="nofollow" class="external free" href="https://www.europeana.eu/portal/en/record/90402/NG_MC_1224.html">https://www.europeana.eu/portal/en/record/90402/NG_MC_1224.html</a>