[robhof]

My brother and I were given a chemistry set by a retired teacher back in the early 60's. The bottles were actually made of wood and the manual that came with it had a recipe for B/p, we made it up and actually used it in our 3/4" cannon, with booming success. We were early teens at the time and had no idea of the dangers, we also had a 5Lb can of 1f b/p we bought from the local hardware store. There was still about 1/2Lb of that powder with the cannon and some pieces of cannon fuse from the 60's when my brother and I cleaned out our parents home a few years back. We dropped 100gr down the barrel, packed it with some old newspaper and touched off the fuse, it all still worked fine.