Missing Chart - 2. The Shift From Lunar to Solar Calendars and Counting

From The Observatory

Query: 2. The Shift From Lunar to Solar Calendars and Counting

Missing Chart

Quoted text:

The dodecahedron goes together with the icosahedron as a strikingly calendrical solid. [Omitted text: [(explain in chart from GEOMETRY paperback[1]). CHART (or is this an illustration?)]]

Can you help us expand in text and figure out what chart was meant here, based on the author’s note below:

“[(explain in chart from GEOMETRY paperback). CHART]”

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Also, what the texts “GEOMETRY paperback” and “CHART” refer to is unclear to us. Can you help us figure it out? The currently above-cited “A. Seidenberg, Lectures in Projective Geometry (New York: 1962c)” was a guess. (See also a possibly related item number 1 in this general query about Chapter 2’s Illustrations list.)

There are also five individual essays by Seidenberg cited in Chapter 3’s Bibliography, including at least one with “Geometry” in the title (“The Ritual Origin of Geometry”). Nothing by this author was originally cited in this chapter (Chapter 2).

We can add whatever text by Seidenberg is decided on back to Chapter 2’s Bibliography if we can figure out which text it was.

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  1. A. Seidenberg, Lectures in Projective Geometry (New York: 1962c).