30-04-2025, 12:01 PM
On this page of the Prussian tables, the use of the slash to indicate parts of the ecliptic is more clearly seen.
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The interesting thing, as with the similar VM glyph, is the fact that the line is inclined and not vertical. Obviously, what is intended to be represented is a portion in a circle, hence the tilt.
This is a 16th century astronomical book, but there are many medieval Volvelles with the same slash marking the degrees of the sphere.
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The interesting thing, as with the similar VM glyph, is the fact that the line is inclined and not vertical. Obviously, what is intended to be represented is a portion in a circle, hence the tilt.
This is a 16th century astronomical book, but there are many medieval Volvelles with the same slash marking the degrees of the sphere.