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Heritage Science
Fig. 3 | Heritage Science

Fig. 3

From: Colourants made from aphids and ivy gum

Fig. 3

a Large colonies of willow aphids (Tuberolachnus salignus). b Crushed aphids in water. c Aphid dye paint-out. d Aphid dye mixed with calcium carbonate paint-out. e Fresh aphid dye in potash water. f Aphid potash dye exposed to light for 2 days. g Aphid potash dye and potash exposed to light for 7 days. h Fresh aphid potash dye paint-out

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