The Sono-phonic was manufactured by Compagnie P.T. Legaré Limitée, Montreal, Quebec. Apparently P. T. Legaré was a large commercial empire in Quebec (known for farm equipment and knitting machines in particular): http://www.angoravalley.com/csm/legare.html

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The following pictures were sent in December 2009 by Chris from Ohio and are of a machine from his wife's family in Quebec.

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A Sono-phonic for sale on Facebook Marketplace in 2023.

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A Sono-phonic for sale in Quebec City in 2023.

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A Sono-phonic for sale in Levis, Quebec in 2023.

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Montreal Star, November 26, 1926, p. 16.



Edmonton Journal, December 6, 1928, p. 24.



Montreal Star, November 15, 1929, p. 27.



Ottawa Citizen, November 22, 1929, p. 5.