melophon
melophon is a squeezebox.
Overview
Hand-held squeezebox shaped similar to a guitar.
In detail
melophon is a squeezebox.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Mélophone”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1919657: melophon
Consult the source