单词 | stadia measurement |
释义 | > as lemmasstadia measurement attributive, as in stadia hairs, stadia lines, stadia measurement, stadia method, stadia-rod, stadia-surveying, stadia telescope. ΚΠ 1865 Mayer in Jrnl. Franklin Inst. Jan. 5 To..compute the error of the reading on the Stadia scale. 1865 S. W. Robinson in Jrnl. Franklin Inst. Feb. 74 The error of the stadia measurement has been found to be about one foot in 800 or 1000. 1873 Trans. Amer. Inst. Mining Engineers 1871–3 1 377 An extra pair of hairs for stadia purposes. 1899 W. G. Bligh Notes Instruments Engin. Field-work 122 The telescope fitted with stadia lines on a stop glass. 1899 W. G. Bligh Notes Instruments Engin. Field-work 124 Stadia hairs are horizontal lines, either hairs fixed to the diaphragm or else marked on a stop glass. 1900 H. M. Wilson Topogr. Surveying xii. 238 The term stadia surveying is used to include not only the measurement of the horizontal distance, but also the determination of heights by means of vertical angles observed to a fixed point on the rod. < as lemmas |
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