the hole with the nut on isnt a cone.
any technical reason why its a cone on the 3 of them ? thicker hose or something ?
should be brittish, or at least thats what the old man said
dont know what you mean by having a "shoulder", but yea, its dont seem like a 45 degree angle, more like 25...
got this piece from an old man who lives around here, said it was from ww2 and i think he said it was from an english aircraft that crashed here in northern denmark
well, my guess is some fuel thing...but i have no knowlegde about aircrafts :)
any idea what aircraft its from (almost...