1. Dog’s mercury – used to make yellow (straw colour) dye at a course in the Cotswolds to learn about natural dyes to dye wool (about 40 years ago) [London, SE22, April 2016].
Image: Downe Bank Nature Reserve, London Borough of Bromley; April 2016.
1. Dog’s mercury – used to make yellow (straw colour) dye at a course in the Cotswolds to learn about natural dyes to dye wool (about 40 years ago) [London, SE22, April 2016].
Image: Downe Bank Nature Reserve, London Borough of Bromley; April 2016.