Pair of Timpani by J. R. Lafleur & Son, London, Late 19th Century Click on any image to see an enlargement NMM 10456 a & b.  Pair of timpani by J. R. Lafleur & Son, London, late 19th century. Stamped:  J. R. Lafleur & Son / Manufacturers / London. W. C.  Copper bowls made from multiple pieces, fastened with tab seams, and hammered into shape. Animal skin heads tucked around flesh hoop, using iron counter-hoops to provide tension. Features cable (or wire) mechanism with turnbuckle to adjust pitch, patented in 1837 by Cornelius Ward. Board of Trustees, 2003. Measurements   Smaller Drum Larger Drum Diameter of Head 61.3 cm 65.3 cm Bowl Depth 47 cm 47.6 cm Maker's Signature and Tab Seam Application of Cornelius Ward's 1837 Patent Lit.:  Jayson Dobney, "Historic Timpani at the National Music Museum," Percussive Notes 45, No. 2 (April 2007): 16. Return to Checklist of Timpani Made Before 1900 National Music Museum The University of South Dakota 414 East Clark Street Vermillion, SD 57069 ©National Music Museum, 2006-2007 Most recent update: October 22, 2007 You are the 1,577th visitor to this page since October 6, 2006 The University of South Dakota Return to Top of Page