You may not want to draw hour-lines on a pillar dial that have the
Equation of Time and longitude corrections built in, but rather figure
these corrections yourself after taking a reading. The reason is that
all such dials I have seen use the same lines for morning and afternoon
hours. You can do
[EMAIL PROTECTED] wrote:
>
> I want to design an altitude dial that will indicate local clock time. I
> was thinking of an oversized pillar or shepherd's dial or a large ring
> dial. Usually these are portable, but I want to make one for my particular
> location (Lat 38d53m48s N, Long 121d04m33s
I want to design an altitude dial that will indicate local clock time. I
was thinking of an oversized pillar or shepherd's dial or a large ring
dial. Usually these are portable, but I want to make one for my particular
location (Lat 38d53m48s N, Long 121d04m33s W).
What types of corrections d
