"Plastic" transistor incorporating a semi-conducting layer of polyacetylene, as prepared by the Cavendish Laboratory and reported in Nature, September 8th, 1988, pp 137-141 Plastic transistor incorporating a semi-conducting layer of polyacetylene 1988
Westminster micro transistor radio, made by Belcher (Radio Services), a subsidiary of Currys Group PLC. Westminster Micro Transistor Radio 1970-1974
matched pair of germanium P-N-P germanium transistors GET 8. c.1950 Germanium P-N-P transistors GET 8 circa 1950