Pictures of machine from the auction of the Guy Lombardo museum held in London ON, January 2015. [Pics by KW] "C.W. Lindsay & Co.--Montreal, 1877-c.1950
Pictures of a machine for sale on Kijiji October, 2014.
A Harmonic found in September 2022 sold by Mason & Risch.
Toronto Daily Star, April 6, 1922, p. 10. Edison Shop ad including a Harmonic phonograph.
Toronto Daily Star, November 29, 1929, p. 4. Heintzman's sale ad including a Harmonic phonograph.