Adrian Pearsall's people recently updated his website and included a catalog of his work.
http://www.adrianpearsall.com/catalogs.htm
Design #11 is the iron stool. This simple piece was probably manufactured in the basement of Pearsall's in-law's house, the earliest production. Pearsall's website seems to be slowing expanding, it is great to finally have some solid information on Craft Associates.