the organ has three manuals and pedals, a mechanical key and electric stop action, 54 stops, 79 ranks and 4005 pipes. the cedar case was constructed in the university’s joinery shop, and blends with the architecture of the great hall. looking towards the organ, the three manual and pedal console can be seen on the left. above it are large principal pipes from the great division (middle keyboard), with the rest of the great pipes situated immediately behind these display pipes. above the great is the swell division (top keyboard), which is the expressive section of the instrument enclosed in a large wooden box with front shutters operated by the swell pedal at the console. in the centre of the gallery, jutting out into the hall, is the ruckpositiv division (bottom keyboard), and on the right side, the pedal division.