Good morning,
Thanks to Kevin Karney and David Pawley, my mysterious Astro Compass base has
been identified. I LOVE the Sundial List!
Looks like my deductions were right, but I had no idea that the base (which
David Pawley told me is correctly called a "standard") could be used for both a
magn
John
I think the base is such that either an Astro Compass could be mounted - or a
normal magnetic compass with the same fitting. The screws on the side of the
mount are connected to two little magnets inside the base. These are used to
compensate for the magnetism of the plane's fuselage. I wou
