Need info about pressure canning
I just found my mom's old pressure canner (Mirro Matic M-0622, 22 qt) and it seems to have everything but needs to have the gasket replaced. However, I've never pressure canned before and although this is in good shape (at least it looks like it to me), I'd like to have it tested first. I don't think that we have any place that does this sort of thing in my county, but nearby counties might (Loudoun Co, VA maybe?), but I'm not sure where to start. Any ideas?
Also, I looked online at the Mirro website; I don't have instructions for the canner and I thought I could order some-- but the only ones available are for the All American 22 qt and newer Mirro canners. I'm not sure if they would be a good thing to get or not. Help?