This little booklet is all about the whizz wheel.
It is a great tool for you to get to grips and understand the workings of this fantastic bit of kit.
To view it as the book looks with the pages in the right place please do the following:
Save it to your computer as a PDF and then once opened in your PDF viewer set the pages to be viewed in “2 page view”.
This can usually be found in “view” and then “page display”.
Best of luck!