Madurell Marimón 1951; IV: 9: The organ-builder Armentario Broca ('magister organorum') presents signed invoice for 50l, as agreed by a contract dated 29 September 1499; 35l (already?) paid in advance of the deadline for completion by Christmas 1501, and the removal of the lead and tin organ pipes of the old organ ('omnes canones plumbi et stagni organorum veterum'). {Document doesn't appear to mention where the organ was to be built.]