There were also TWO variations of each type. Angled or undercut. I wrote a lengthy article on the why's, wherefores and reasons for each specific type some time ago. Best get the books and read the back articles to save a LOT of repetition I say!
There were also TWO variations of each type. Angled or undercut. I wrote a lengthy article on the why's, wherefores and reasons for each specific type some time ago. Best get the books and read the back articles to save a LOT of repetition I say!