https://www.youtube.com/watch?v=W5yZJugzGXM

was in contact with Ian before about another video, a dreyse gun where he had informations I believed being the only one on this planet. contacted him about this with the question if he had another source I don't know before. of course, he is an internet guy and making his daily homework with the net because its quick and up to date.
writing back me that what he found in the net were things I posted about this topic .
don't know if there is other stuff about the piper gun in the net but one of the main sources for this video was maybe this thread.