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XII. Architectural Designs: 767.
XII. Architectural Designs: 767.
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XII. Architectural Designs: 767.

767.

The cylinder of a body columnar in shape and its two opposite ends are two circles enclosed between parallel lines, and through the centre of the cylinder is a straight line, ending at the centre of these circles, and called by the ancients the axis.

396

Footnotes
  1. 73:396

    : Leonardo wrote these lines on the margin of a page of the Trattato di Francesco di Giorgio, where there are several drawings of columns, as well as a head drawn in profile inside an outline sketch of a capital.

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