bowed clavier
bowed clavier is a box zither or bowed string instrument.
Also recorded as bogenklavier; Geigenwerk; wheel harp.
Overview
Stringed keyboard instrument.
In detail
bowed clavier is a box zither or bowed string instrument.
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
“Bowed clavier”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q372308: bowed clavier
Consult the source