Abstract
The construction of a checkerboard pavement in perspective described by Alberti in De pictura depends explicitly on the choice of a base line, the divisions along it, a centric point, and a viewing distance. These choices do not in themselves determine the result of the construction. The exact placement of the horizontal parallels depends on precisely how one interprets Alberti's instructions. In particular, Grayson's and Parronchi's interpretations are, in principle, distinguishable from one another by the results to which they lead.
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Notes on contributors
Judy Green
Judy Green received her Ph.D. in mathematical logic and currently publishes on the history of mathematics. [Department of Mathematics, Rutgers University, Camden, NJ 08102.]
Paul S. Green
Paul S. Green did his doctoral work in algebraic topology and writes on geometry and mathematical physics. [Department of Mathematics, University of Maryland, College Park, MD 20742.] This is their first venture into art history and their first joint publication after twenty-two years of marriage.