Technical Notes
The machine's innermost secrets
Woodhouse walk-through
An up to date, detailed technical description of the machine by Bill Purvis: here
Change Ringing Machine
A facsimile of GFW's pamphlet, describes his original machine. When reading this pamphlet, remember the design was modified substantially when Gordon Thwaites rebuilt the machine.
Workshop Notes
A transcription by Bill Purvis of GFW's original handwritten workshop notes. These pertain to the original machine. Not all content is consistent with the modifications made when Gordon Thwaites rebuilt the machine
