Revere Ware Corporation 20-qt stockpots?

http://www.revereware.com/index.asp?pageId=16 Later ,after Corning bought Revere Copper and Brass in Clinton IL , they sold the plant and moved it to Indonesia . They removed all the machinery from...

Because it hasn't been 'proved'. For instructions on proving and for other handy household tips see the related link below.

Yes, Revere Ware generally is. They make different styles and types now, but the 'classic' Revere Ware is Stainless Steel with Copper Clad bottoms.

http://www.reverewareparts.com/pdf/Revere_Ware_micro_fryer_1987.pdf

----- I would recommend trying eBay, though do your research to see if it is actually vintage, or a newer one. ----- You can identify the vintage of your pan at this very helpful Revere Info...