PAiA 6780 Organtua, Assembly Instruction Manual pages
https://paia.com/wp-content/uploads/202 ... 0pages.pdf
Assembly Drawings
https://paia.com/wp-content/uploads/202 ... awings.pdf
Pratt-Read Series 9000 Keyboard retrofit pages
https://paia.com/wp-content/uploads/202 ... trofit.pdf