Hello Kurt, Fun video. I'm sure the construction was harder than it looks.
Why are the indoor hour lines curved? How is this different from a gnomonic projection, which has straight hour lines? -Bill On Sat, Apr 21, 2018 at 8:33 AM, Kurt Niel <kepler...@gmail.com> wrote: > Hi All, > > just added two videos about final works: > 1) about the indoor sundial: > https://m.youtube.com/watch?v=WzyvEpsEL8A > 2) about the outdoor sundial: > https://m.youtube.com/watch?v=mdw9mLih6gE > > Kurt > > Am 20.04.2018 3:32 Nachm. schrieb "Kurt Niel" <kepler...@gmail.com>: > > Hi all, > > proudly presenting my latest sundial within a primary school here in Upper > Austria: > https://kepleruhr.at/su-vs-wallern and > https://flic.kr/s/aHsm9EgPtL > Bending mirror because of the narrow lightwell. > > Cheers > Kurt > https://kepleruhr.at > > > > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > >
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