© 2018 Helen Bookbinder

A light fastness test for Avocado Stones

Half exposed samples left for a month or two in daylight. The madder yarn is a control.

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20 Nov This entry was written by Helen Bookbinder, posted on November 20, 2018 at 6:15 pm, filed under avocado and tagged . Bookmark the permalink. Follow any comments here with the RSS feed for this post. Both comments and trackbacks are currently closed. View EXIF Data
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