[MagnoliaB]

Apparently it's new. I got mine at a local Ace Hardware store. It only uses 3 pints of water, holds seven quarts and approximately nine pints depending on whether they are wide or reg. mouth. The box has a website: (bottom left hand picture)

http://www.focuselectrics.com/catalog.cfm?dest=dir&linkon=subsection&linkid=119&secid=53

[metmom]

That’s interesting. In the Ball Blue Book, they recommend not trying to hot water bath can with steam, but my books are pretty old.

It looks like someone developed the technology to do it after all.