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This Powerstat was used in a laboratory setting before I acquired it in the 90's and is in very nice condition, but I have seldom used it. It is tested and works like new. Brushes and windings are all in good shape. It has two separate autotransformer units on a common shaft. Information on connections can be found on the Superior Electric web site, or upon request, I can send a PDF of the manual currently available there.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.