On Dec 6, 2008, at 12:12 PM, w9ya wrote:... > "Who invented the log-log scales ?" They were first proposed by a > fellow named Roget. The SAME Roget from Thesaurus fame !! Bob, I seem to remember the name Napier in connection with slide rules, or logarithms. Roy Roy Morgan k1lky at earthlink.net 529 Cobb St. Groton NY, 13073