Power roller instruments:
Hupfeld, Pianotist, Pianovo, Lyraphone
Smith "Lyraphone" pneumatic
roll-playing push-up player, made ca. 1900
by Smith Lyraphone Company, Baltimore, Maryland,
USA
photo courtesy Ray Fairfield
Hi-resolution image:
lyraphone1.jpg (343 kb)
"Hupfeld Pianoplaying apparatus No. 10" disc-playing
push-up player,
developed 1886 and made by J.M. Grob & Co.,
Leipzig,
sold by Ludwig Hupfeld A.G., Leipzig.
photo courtesy Automatia
Musica Foundation, Brussels
"Pianovo" barrel-playing piano, possibly made
by Popper, Leipzig
illustration courtesy Kring
van Draaiorgelvrienden, Netherlands
"Pianotist" mechanical roll-playing piano player
action
made ca. 1900-1905 by Pianotist Co., New York
illustration from Bowers' "Encyclopedia",
page 582.
Mechanical
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