viola organista

viola organista is a keyboard instrument or friction instrument.

Overview

Musical instrument.

In detail

It is recorded as the work of Leonardo da Vinci.

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
“Viola organista”, English Wikipedia, consulted as further reading
Consult the source
reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2195783: viola organista
Consult the source