I know of only two non-treadle Bell/Tainter Type C Graphophones (one pictured in The Talking Machine Compendium; another pictured in A World of Antique Phonographs) and one R (pictured in the 2nd Edition of the Compendium).PeterF wrote:Which would you say is rarest: K, I, C, or R? I'll guess R.
George P.