|Downright Upright, A
History of the Canadian Piano Industry, by Wayne Kelly,
1991, Natural Heritage/Natural History Inc. :
pg. 93--"...Plaola - possibly a name taken over by [R.S.] Williams and used on a player-piano line."
pg.117--"Plaola Piano Company--Oshawa. Manufactured player pianos only. Possibly a subsidiary of R.S. Williams c. 1910."
Jim Carino wrote of his Virgil gramophone, by the Plaola Piano Company, for Antique Phonograph News here: <<http://www.capsnews.org/apn2012-6.htm>>
The following images are of his machine, taken in November, 2011:
He also found the following from the Toronto Star, Saturday October 11, 1919, pg. 3: