Crescendo, March 1918



17-string Tonaharp guitar
7-string "improved" Tonaharp guitar

String Diagram


String Diagram


Patent

issued to Edwin D. Wilber and
Nathaniel R. Boswell in January 1916.


Patent

issued to Edwin D. Wilber in March 1918.


Page 1 of E.D. Wilber's instruction booklet.

Instruction booklet (pdf format, 17MB)
  for 7-string Tonaharp.


Conversion
of Tonaharp guitar into Hawaiian guitar.





The Genesee Trio, circa 1900,
(Left to Right) Nathaniel R. Boswell, Edwin D. Wilber, W.C. Whittlesey





                       Ad from a Detroit newspaper dated October 4, 1917



                  Ad from an unidentified newspaper



If anyone has additional information regarding the Tonaharp, or the Genesee Trio,
please email me at markwilber@thewilbers.us

Thank You,

Mark Wilber
(Edwin Wilber's grandson)




Edwin Wilber and Nathaniel Boswell were also members of the Moneta Five,
a vaudeville singing and instrumental group from 1908 - 1914.