pp. 190-202; Reprint from Physics; I am uploading another 5 of these, with a total of nearly 20 on my site; they are all in good condition overall; no marks; there is an archive number stamped on the top left of each study; 11.5 x 8.5 inches; mild shelfwear; Will deal for the load of them; these scientists operated with minimal funding in an era when the thought was to lower spending during hard times, General Electric Company Research Laboratory