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109 points colinprince | 1 comments | | HN request time: 0.208s | source
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akkartik ◴[] No.44506571[source]
The 'but why?' link is fascinating: https://www.britishmuseum.org/blog/not-fade-away-preventive-...
replies(2): >>44506653 #>>44507751 #
1. sunrunner ◴[] No.44507751[source]
Such a shame that Hokusai didn't get a chance to read Sarah Renae Clark's excellent investigation [1] into lightfastness (coincidentally linked yesterday).

[1] https://sarahrenaeclark.com/lightfast-testing-pencils/