Sunday, September 09, 2007

Technology for Comparing Different Editions of the Same Print

biologist developed a method to determine the date of antique prints made from hand-cranked presses. In his so-called print-clock method, image analysis software counts the number of breaks in the lines appearing in each print. Successive prints made from the same wooden or copper block show more breaks, since breaks in the wood and thinning of the copper occur evenly over time.

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