NMM 4145. Tangentenflügel by Frantz Jakob Spath & Christoph Friedrich Schmahl, Regensburg, 178[4] NMM 4145. Tangentenflügel by Frantz Jakob Spath & Christoph Friedrich Schmahl, Regensburg, 178[4]. FF-f3 (5 octaves). Two hand stops: buff, moderator. Two knee levers: una corda, dampers. Rawlins fund, 1987. Return to Annotated Checklist of Keyboard Instruments National Music Museum The University of South Dakota 414 East Clark Street Vermillion, SD 57069 ©National Music Museum, 2005-2008 Most recent update: August 25, 2008 You are the 4,801st visitor to this page since January 10, 2005. The University of South Dakota Return to Top of Page