1) Early musical instrument
Found on
https://www.crosswordclues.com/clue/organistrum
The organistrum is an early form of hurdy gurdy that originated in northern Spain as an instrument used for singing instruction in monastic settings. Generally considered the ancestor of all subsequent hurdy gurdies, the organistrum differs substantially from later instruments in that it was played by two individuals: one turned the crank while th...
Found on
http://en.wikipedia.org/wiki/Organistrum
early musical instrument resembling the hurdy-gurdy
Found on
http://phrontistery.info/o.html
(from the article `keyboard instrument`) ...early Middle Ages generally had sliders that were pulled out to sound different notes; some may have had keys that turned like the key for a lock. ...
Found on
http://www.britannica.com/eb/a-z/o/29
No exact match found.
