I can't answer the technical issues Peter as I'm a humble pipe organ builder.
As for details of the Thames Ditton Makin, it is a three manual instrument but for some bizarre reason only a two manual console, with a floating Choir Organ. I can put you in touch with the relevant authorities.
Jonathan
As for details of the Thames Ditton Makin, it is a three manual instrument but for some bizarre reason only a two manual console, with a floating Choir Organ. I can put you in touch with the relevant authorities.
Jonathan