FYI: Bert Willard, curator of the Springfield Telescope Maker's museum in Springfield, Vermont has indicated that he will bring both that very same James Hartness dial, and a Russel Porter mystery dial, to the NASS convention this August in Burlington, Vermont.
-Bill Gottesman

LJ Coletti wrote:
Richard,

That particular dial was designed by James Hartness (URL below).

http://www.hartnesshouse.com/vermont-museum/hartness-porter-museum.shtml

Luke Coletti


On 5/20/2010 12:31 PM, kool...@dickkoolish.com wrote:
  
Here is one of the Porter sundials in Springfield VT.
http://www.dickkoolish.com/rmk_page/RMK_Pictures/S60-07-31-06/IMGP0754.JPG


    
Friends,

Is there a conventional name (like  horizontal',  equatorial',  polar' and
so on) for the sundial constructed as shown below?

Am I right thinking that the name of this construction is "Russell
sundial"?
I mean Prof. Russell Porter, the Palomar Mountain Observatory.

Any help, please.

Aleks
www.sundials.ru

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