Re: Can a sundial disprove Flat Earth?

Perhaps using pylons instead of sundials would convince the flat landers in your Facebook group of their misguided thinking. see: https://www.metabunk.org/soundly-proving-the-curvature-of-the-earth-at-lake-pontchartrain.t8939/ I arrived at this link via the Pylon of the Month website:

Re: Hour label question

I like to use N. It's good for Noon and for North. Don Snyder On 9/30/2018 10:47 AM, Simon Wheaton Smith wrote: I have seen, and I have pretty much settled on a cross or plus + sign for noon. Simon W-S www.illustratingshadows.com On Sun, Sep 30,

Re: How good is a cell phone compass

Steve, Why not use a magnetic compass and correct for magnetic declination? The magnetic declination for the location of your sundial can be found here: http://www.magnetic-declination.com/ . Don S On 9/11/2018 2:38 PM, Steve Lelievre wrote: Hi everyone, How good is a cell phone