A drawing by A.G. Hill, as printed on page 157 of the 1905 book (the date means it is in public domain now) The Art of Organ-Building, Vol. I, by George Ashdown Audsley. Traced by potrace 1.12.
Organ in the Church of Santa Maria di Carignano, Genoa free icon was designed by AdamStanislav for icons Png and presented to its users.
AdamStanislav
12/7/2017