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Susan Bosence. "STRIPE and SPOT. (a) Combination of double wax resist twice brush dyed in Soledon blue and brown. Wax removed and paste resisted then brush dyed in dark blue on calico. (b) Wax resist …
A late C19th model to demonstrate how waves move; made by the Elliott Brothers, to a design by Baden Powell ((1796-1860) – the father of Robert, founder of the scout movement). An interactive animation here. …