D not test hot plate / stirrer knobs, as they are both missing. Heavy staining on hot plate associated with use.
Please review photos as they are part of the description. The item "CORNING PC420 HOTPLATE STIRRER 5303SH" is in sale since Thursday, May 31, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers".
The seller is "lilbluedemon" and is located in Downers Grove, Illinois. This item can be shipped to United States.