Dave Balderstone
wrote:

I found one of the 18" models of these at a yard sale and would buy it
new...

http://www.leevalley.com/garden/page.aspx?c=2&p=10190&cat=2,2160

but depending on where you are, you should call them and ask about
shipping cost. It may be prohibitive.

Wow

Wish I could find such a thing at a yard sale!