Edley McKnight wrote: >Another solution that I've been using is to substitute a section of >"ridge" dial for the gnomon. It can usually be designed to both be >more rugged and safer. It can usually be retrofitted to older dials >with a minimum of inaccuracy.
I'm all too familiar with the problem but not at all familiar with a 'ridge' dial. Can you describe in more detail please Edley? Tony Moss
