Shadows Square

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Name in use since the sixteenth century to indicate the shadow square scale (in Latin scalam altimetram).

Synonymous with geometrical square and shadow square.

Cataneo, Pietro, L’architettura. Libri otto, Venezia, 1567, rist. anast., Forni, Sala Bolognese, 1982, p. 196

Francesco Giuntini. La sfera del mondo di m. Francesco Giuntini ..., Lione, 1582, p. 137.

Author of the entry: Filippo Camerota