On Wed, 15 Jan 2020 at 16:13, Derek C Breit <breit_ideas@...> wrote:
But
I see it is already obvious that everyone *does* use a compass in proximity to
the mount.. That¡¯s what I wanted to know, as I thought that wouldn¡¯t work
because of all the metal..
Compasses and magnets are not attracted to all metal.? Aluminum for instance is not a magnetic material