释义 |
▪ I. Aldis1|ˈɔːldɪs| Aldis lens: see quot. 1911.
1904J. T. Taylor Optics Photogr. xxx. 204 This optician [sc. Hugh Lancelot Aldis] applied for another patent, which was granted in February, 1902. The construction is known as the Aldis lens. 1911Encycl. Brit. XXI. 511/1 In 1902 H. L. Aldis issued the ‘Aldis lens’, f/6, a doublet composed of a cemented meniscus in front and single double-convex back lens. ▪ II. Aldis2|ˈɔːldɪs| The name of Arthur Cyril Webb Aldis, used attrib. or ellipt. in the proprietary names of certain of his inventions, as Aldis lamp (for signalling in Morse code), Aldis (unit) sight (for artillery, aircraft, etc.).
1917R.N.A.S. Anti-Submarine Rep. No. 3 4 The Aldis lamp used in surface craft, trawlers, etc., for communication with aircraft has given satisfactory results. 1918J. M. Grider War Birds: Diary 11 July (1927) 231 His altimeter and Aldis sight were both hit. 1928C. F. S. Gamble North Sea Air Station xv. 280, I at once reported the incident by means of Aldis lamp to H.M.S. Dryad. Ibid. xvi. 295 In some instances the ring was mounted in a telescope of unit magnification, one of the best examples of which was the Aldis sight. 1944‘N. Shute’ Pastoral viii. 190 Would you like me to make him a signal on the Aldis, sir, and tell him to bale out? 1962Oxf. Illustr. Dict. 18/2 Aldis lamp, signalling lamp, used esp. in navy and air force, in which Morse signs are transmitted by rotating a mirror at whose focus the light is located. |