Is the "K-Ray" company, of Wheeling IL, a descendant of Kellogg, manufacturers of "Kel-Ray" radiography sources / heads? Thanks in advance. Albert Lee Vest The Ohio State University Health Physicist Room 101 Research Center (614)292-1284 1314 Kinnear Road vest.1@osu.edu Columbus OH 43212-1168 My employer did not review or approve this message.