INSTR - KEYBOARD - ORGAN - REGAL Swiss Regal, late 16thC. Prototype of modern harmonium, but with 'beating' not 'free' reeds. drawn 1921, by Hipkins. (Alfred James Hipkins 1826-1903 Stock Photo - Alamy
Regal, Michael Klotz, 1600 - YouTube
File:Regal organ with a walnut case (1692, Austria or South Germany), Museum of Fine Arts, Boston.jpg - Wikimedia Commons
Regale – Orgelbauer
Apfelregal - orgelbau-koegler.at
Claudio Monteverdi: Orfeo
Regale – Orgelbauer
Regal - Detail
Regal - Detail
Regal | German | The Metropolitan Museum of Art
KLOP REGAL ORGAN KR — QM Concert Service
Bible Regal | Ture Bergstrøms Instrumentbyggeri
Regal (instrument) - Wikipedia
Portative organ | Baroque, Hand-Pumped, Reed-Pipe | Britannica
ORGANpromotion - Regal-Gedackt from Marcus Stahl, Dresden (2016)
Michael Klee - Organ History - Regal
possibly Georg Voll | Regal | German | The Metropolitan Museum of Art
LEMF Instrument Exhibit: Andrew Lawrence-King, Regal Organ - YouTube