David Billington wrote:

snip

Have you seen this http://www.youtube.com/watch?v=0rb8FMvbe20 . Looks
like it might be fairly easy to replicate. Christopher, in another
reply, mentioned higher levels of tin in better quality work so maybe
pewter (britania metal) might be an option, although I have never
tried to solder it with an iron only torch. It would also help if you
mentioned your location.

That's an interesting video. To elaborate, this is what the book says
about alloy composition:

"In the last hundred years or more, lead-tin alloy pipes for organs have
been made with as high a composition as 85 wt% lead and 15 wt% tin.
However, the organ trade had the view that no alloy for organ pipes
contain less than 25 % tin, and in really good work no alloy with less
than 55 % tin should be employed."

Best wishes,

Chris