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). The same persons in front my sundial of direct reading increase the interest in gnomonics to consider these instruments as a “scientific precision apparatus”. Thus, direct reading encourages people towards our passion: the solar quadrants.
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