Hello Bill Gottesman and all the colleges.
The design of my direct reading sundial is made from find a gear with a
number of teeth multiple of 24 (hours). This gear of 48 teeth, operated by a
worm screw, controls the rotation of an axis parallel to the gnomon and
therefore of the Earth axis rotatio
Dear Willy,
My long experience to persons outside the sundials is as follows: A). Too
complicated analemmatic figures or the necessary use of algebraic
calculations to know the time that they consider the real one; for this
reason, these people think the solar quadrant as an obsolete object. B). T
-- Forwarded message --
From: Robert Bargalló
Date: 2009/9/17
Subject: Direct reading time.
To: Robert Bargalló
Hello All,
When an inexperienced person examine a well constructed Sundial, often
underestimate the instrument because it is not marking the official time and
having
