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) Natural and Synthetic Dyestuffs
Artist copyright agreement, assignment of copyright to British Railways, "Coney Beach", M. H. Armengol, 12/05/1952, fee: 70 guineas, Publicity Department Reference: P.R/D.4578, BR Deed Department: No.78229. Coney Beach 1952
Artist copyright agreement, assignment of copyright to British Railways, "Porthcawl", M. H. Armengol, 12/05/1952, fee: 70 guineas, Publicity Department Reference: P.R/D.4559, BR Deed Department: No.78228. Porthcawl 1952