Edward Mills Purcell AutographPrinted scientific article signed, seven pages, 5,5 x 8,25 inch, scientific article entitled `Observation of a Line in the Galactic Radio Spectrum` by E. M. Purcell, reprinted from `Nature Volume 168, September 1, 1951`, signed and inscribed on the front page in red ballpoint ink "for Martha Abitzsch with best wishes Edward M. Purcell", with a vertical fold, and mild signs of wear in fine condition.