| 单词 | inductor compass |
| 释义 | > as lemmasinductor compass inductor compass n. (also earth-inductor compass) any of various kinds of compass in which the earth's magnetic field is made to induce in a coil an electric current whose strength depends on the relative orientation of the coil to the field. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > compass > types of paradoxal compass1558 steering compass1669 variation compass1669 correcting compass1821 telltale1828 pelorus1854 liquid compass1865 gyroscope-compass1909 gyro-compass1910 radio compass1912 gyro1914 gyroscopic compass1920 inductor compass1922 gyro-pilot1923 induction compass1925 astrocompass1942 flux gate compass1946 1922 Rep. U.S. Nat. Advisory Comm. Aeronaut. No. 128. 44 The earth inductor compass..was developed by Dr. Paul R. Heyl and Dr. Lyman J. Briggs of the Bureau of Standards. 1926 Encycl. Brit. Suppl. I. 19/2 The earth inductor compass, developed in America, depends upon the measurement of the electromotive force induced by the earth's magnetic field in a coil rotating about a vertical axis. 1927 Lindbergh in Sci. Monthly XXV. 91/1 I also had a magnetic compass; but it was the inductor compass which guided me so faithfully that I hit the Irish coast... The inductor compass was so accurate that I really needed no other guide. 1931 M. F. Schoeffel in P. V. H. Weems Air Navigation vii. 93 Although the armature of an inductor compass is gyroscopic, yet, since it is also pendulous, it tends to..bank with the plane. 1943 P. H. Redpath & J. M. Coburn Air Transport Navigation iv. 80 The principle of the inductor compass is to generate electric currents utilizing the earth's magnetic field to operate suitable indicating instruments in the cockpit. 1958 Van Nostrand's Sci. Encycl. (ed. 3) 386/2 The earth-inductor compass was designed..for use on aircraft, but has been rendered obsolete by the aperiodic and gyro-flux-gate instruments. < as lemmas |
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