Schmoyer Sunquest dial

1998-05-21 Thread Raymond Clark
I would like to purchase a "Sunquest Local Mean Time" dial build by R. L. Schmoyer between 1950 and 1970. The dial uses a slotted gnomon to correct for the equation of time. Cousins book "Sundials" contains a picture of the dial on page 195 and a drawing on page 190-191. Does anyone know of suc

Re: What happens when

1998-05-21 Thread fer j. de vries
fer j. de vries wrote: > > Someone wrote : ( I don't remember who it was, I don't save all the > messages) > > > > Suppose a horizontal sundial at latitude 4º S. His gnomom is a very > > acute > > >square triangle. What happens with the shadow when sun's declination get > > the > > >other

Re: Re. What happens when 2

1998-05-21 Thread Ross McCluney
David Higgon wrote: > Dear all, > > I've reconsidered my previous submission! The sun will not cross from one > hemisphere to the other, but will always be in one or the other. It's > difficult to explain this without pictures, but you probably all saw this > before I did. I can send a sunpath

Re. What happens when 2

1998-05-21 Thread David Higgon
Dear all, I've reconsidered my previous submission! The sun will not cross from one hemisphere to the other, but will always be in one or the other. It's difficult to explain this without pictures, but you probably all saw this before I did. There is still the slight problem of the two days a

Re: What happens when

1998-05-21 Thread David Higgon
Sergio Doret wrote: > Suppose a horizontal sundial at latitude 4º S. His gnomom is a very acute >square triangle. What happens with the shadow when sun's declination get the >other side of celestial equator? What happens at the july solstice, does >the shadow >make redable, correct indica

A sundial motto query

1998-05-21 Thread Andrew James
I am trying to decide what may have been the original of a sundial motto of which about half is missing. It is in Italian and as far as I can read it is IO NON ebro {about 30-35 letters missing}ans LANgU{about 10 missing}cARE LA CAMPANO IL FERRO MA RISPLENDE SOLE where lower case is uncertain (