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Authored by Joseph William Lovibond, the work focuses on the selective absorption in coloured glass, graded into scales of equivalent colour value. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.