Comprehensive exhibit on natural and synthetic dyestuffs. (Exhibit designed by Mr.M.H. Armengol). (Specimens of dyestuffs, material etc. presented by ICI Ltd., Dyestuffs Divn.). (Photos, transparencies, purchased from Photo Repro Co. Ltd.) (Model of Woad Mill purchased from Mr.G.T. Porter). Specimen of Murex brandaris presented by British Museum ( Natural History)