Re: What's the inner scale on this photo for?

2021-10-29 Thread Bill Gottesman
t the point was in line with the sun's >>> azimuth. As for the round dial, it almost always shows minutes and is >>> geared to the rotation of the arm. >>> >>> That's my best guess. >>> Sara >>> >>> -Original Message- >>>

Re: What's the inner scale on this photo for?

2021-10-29 Thread Bill Gottesman
t always shows minutes and is >> geared to the rotation of the arm. >> >> That's my best guess. >> Sara >> >> -Original Message- >> From: sundial On Behalf Of Steve Lelievre >> Sent: Monday, October 25, 2021 1:22 PM >> To: Sundial Lis

Re: What's the inner scale on this photo for?

2021-10-29 Thread Steve Lelievre
for the round dial, it almost always shows minutes and is > geared to the rotation of the arm. > > That's my best guess. > Sara > > -Original Message- > From: sundial On Behalf Of Steve Lelievre > Sent: Monday, October 25, 2021 1:22 PM > To: Sundial List &g

RE: What's the inner scale on this photo for?

2021-10-25 Thread Schechner, Sara
azimuth. As for the round dial, it almost always shows minutes and is geared to the rotation of the arm. That's my best guess. Sara -Original Message- From: sundial On Behalf Of Steve Lelievre Sent: Monday, October 25, 2021 1:22 PM To: Sundial List Subject: What's the inner scale

Re: What's the inner scale on this photo for?

2021-10-25 Thread Patrick Vyvyan
I'm afraid I can't give you any answers , but the original is in the Science Museum, London. They don't give any clues either, but I guess you could contact them https://collection.sciencemuseumgroup.org.uk/objects/co143/azimuth-sun-dial-simple-azimuth-sundial Best wishes, Patrick Vyvyan On Mon,

What's the inner scale on this photo for?

2021-10-25 Thread Steve Lelievre
Hi, Today a website called Vermont Free Press published an appallingly confusing (to me) summary of types of sundials. If you can bear to look, it's at https://www.vermontpressbureau.com/types-of-sundials/ However, there was one thing about it that piqued my interest: the photo of an