dulcian
dulcian is a single oboe with conical bore or type of musical instrument.
Also recorded as curtal.
Overview
Reed instrument.
In detail
The record gives 1600 as its date of establishment or first appearance.
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
“Dulcian”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q911038: dulcian
Consult the source