11. However, they were prevented from soiling the sculpture directly by its Perspex case. 12. This led him to begin to work more out of coloured perspex and wood. 13. The cockpit is enclosed with a small, single-piece, perspex canopy. 14. The artist also started to experiment with new materials such as perspex and neon. 15. In 1946 another large chemical works opened on Teesside at Lucite International ( Perspex ). 16. She is then shown lying on top of a white platform with a perspex box. 17. Perspex was registered in 1934 by ICI as the trademark for their polymethylmethacrylate acrylic sheet.18. Against the blue background, the metallic lettering now has the appearance of glass or perspex . 19. The windscreen was made from Perspex . 20. :: You get cracking in perspex from UV, but just on the exposed side.
