Challenges to Comprehension Implied by the Logo of Laetus in Praesens
Laetus in Praesens Alternative view of segmented documents via Kairos
20 April 1982

Circular presentation of periodic table of chemical elements

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Reproduced from A Piutti,1925)
See commentary in Functional Classification in an Integrative Matrix of Human Preoccupations

Figure 5

Circular presentation of periodic table of chemical elements
Circular presentation of periodic table of chemical elements

 

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