| 单词 | goniometer |
| 例句 | Several forms of instruments depending on this principle have been devised, the earliest being the vertical-circle goniometer of W. H. Wollaston, made in 1809. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z He had dreamt vaguely, unsubstantially, the while he had arranged his pressures and temperatures and infinitesimal ingredients, and worked with goniometer and trial models and the new calculating machine he had contrived for his research. Marriage 2011-02-22T03:00:06.867Z We bought a goniometer, and Dr. Wollaston, who often dined with us, taught Somerville and me how to use it, by measuring the angles of many of our crystals during the evening. Personal Recollections, from Early Life to Old Age, of Mary Somerville I'll bet you a small farm against a plugged nickel that right now he's working his goniometer so hard that it's pivots are getting hot. Spacehounds of IPC Wollaston in 1812, with the aid of his newly invented reflective goniometer, to be 74� 55′. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" In use, the goniometer is placed directly opposite to a window, with its axis parallel to the horizontal window-bars, and as far distant as possible. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The refractive power of these yellow stones is remarkable, and the goniometer will probably reveal a higher index than is accorded to all the varieties of beryl by the learned Abb� Ha�y. Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 Wollaston, William Hyde, physicist and chemist, born in Norfolk, grandson of preceding; made extensive discoveries in chemistry and optics; invented the camera lucida and the goniometer. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge There may be a sort of horseback theory of geology; but mineralogy, and the natural sciences generally, must be investigated on foot, hammer or goniometer in hand. Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers The feldspar and hornblende in this and the succeeding cases have been determined by the reflecting goniometer, and the quartz by its action under the blowpipe. Volcanic Islands Several improvements have been made on Wollaston’s goniometer. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Miller not only measured many of the crystals submitted to him, but evidently taught Darwin to use the reflecting goniometer himself with considerable success. Darwin and Modern Science These disadvantages are overcome by adding still another graduated circle to the instrument, with its axis perpendicular to the axis of the vertical circle, thus forming a three-circle goniometer. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The instrument commonly employed for measuring the optic axial angle of biaxial crystals is really a combination of a goniometer with a polariscope. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z |
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