释义 |
plane table
plane tablen. A portable surveying instrument consisting essentially of a drawing board and a ruler mounted on a tripod and used to sight and map topographical details.plane table n (Surveying) a surveying instrument consisting of a drawing board mounted on adjustable legs, and used in the field for plotting measurements directly vb (Surveying) to survey (a plot of land) using a plane table plane′ ta`ble n. a drawing board mounted on a tripod, used in the field, with an alidade, for surveying tracts of land. [1600–10] ThesaurusNoun | 1. | plane table - surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical detailssurveying instrument, surveyor's instrument - an instrument used by surveyors | Translations
Plane Table
plane table[′plān ‚tā·bəl] (engineering) A surveying instrument consisting of a drawing board mounted on a tripod and fitted with a compass and a straight-edge ruler; used to graphically plot survey lines directly from field observations. Plane Table field drawing table used in making a map of an area by the graphic method. It consists of a square mapboard, a base, and a stand. plane tableIn surveying, a device for plotting the lines of a survey directly from the observations; consists essentially of a drawing board on a tripod, with a ruler, the ruler being pointed at the observed object by the use of a telescope or other sighting device.plane table
Words related to plane tablenoun surveying instrument consisting of a drawing board and a ruler that are mounted on a tripodRelated Words- surveying instrument
- surveyor's instrument
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