Hi Roy,
Harold Hall’s book is available from Amazon UK. The book I used was his “Milling, a complete course”, this shows a more advanced version of his Grinding Rest – a very versatile peice of equipment. Again available from Amazon.
I’ve made his advanced tool grinding rest and if you are willing to modify an inexpensive bench grinder and make a few attachments you can build a pretty fair tool and cutter grinder for a relatively small outlay.
Good building
Terryd