File of news cuttings and biographical notes relating to Grindell Matthews, including copies of patents of his improved optical projection machine, the radio telephone, the aircraft turn and bank indicator, and musical sound, with news cuttings relating to rocket powered travel. 1920s-1980s
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dz346/d/dz346/9
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- ReferenceGB 216 D/D Z 346/9
- Language of MaterialEnglish
- Physical Description1 file