A euphonicon is a variety of upright piano. The distinguishing feature of the euphonicon is that the iron harp frame projects from the body on the left...

Schleip [de] in 1820s was the last iteration of the upright grand piano design. Euphonicon upright piano at the Encyclopædia Britannica keyboard instrument at the...

Pulteney Street school on Sundays after church service, presiding on the euphonicon, which instrument was reported as sounding like a pipe organ, and (erroneously)...

c.1890 Bayes and Company: square piano, 1793 Frederick Beale: upright euphonicon, c.1842 Adam Beyer: square piano, 1777 John Brinsmead and Sons: upright...