Hmmm... well... it seems like you are designing a dial that it has markings which allow the observer to make corrections for the changing speed of the earth as it rounds the sun in an elliptical orbit, and for the changing declination of the sun.
These are the factors which result in the the noon mark _analemma_, the figure 8. Mac Oglesby wrote: > Greetings all, > > I have an opportunity to design and install an analemmatic dial at a nearby > elementary school. But first the staff would like to know more about the > project and has asked for a presentation at an upcoming (soon) staff > meeting. I feel comfortable describing the dial and how it would be > constructed. However, I don't remember (if I ever knew) why such a dial is > called "analemmatic." > > Someone is bound to ask me, so I'm asking you, "Why is an analemmatic dial > called an analemmatic dial?" > > Thanks in advance for any help. > > Mac Oglesby -- Bruce Baskett, Emily Untermeyer Houston, Texas http://www.amigoslink.org
