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Copy stand height 86.25cm

Published at 2560 × 2543 in The Secret (Past) Lives of Library Books
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Above, color image of paper with faint traces of pale brown ink above and below one printed line. Below, the same region rendered in black and white, with the faint lines now as clear and legible as the printed text.

An example of successful revival of obscured text. Top: Color image, bottom: PCA processed image. Detail, Divina commedia Danthe Alegieri fiorentino. Dante. Venice, Matteo Capcasa, 29 Nov. 1493. Credit: Meghan Wilson.