51.0 MB (51.0 MB compressed)
5190 x 3438 pixels
43.9 x 29.2 cm ⏐ 17.3 x 11.5 in (300dpi)
SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
In 1487 Leonardo submitted designs for the proposed crossing tower (tiburio ) for Milan cathedral in competition with six other architects.Two sectional drawings of the dome show a design with double vaults, and there is a plan drawing of the octagonal tower showing the position of the buttresses.
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