Difference between revisions of "Dictionary:Plane table"

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A survey instrument consisting of a drawing board that can be leveled on a tripod. An object is sighted through an alidade (Figure [[Dictionary:Fig_A-9|A-9]]) that rests on the table, allowing one to plot the line of survey directly from the observation by drawing a line along a ruler attached to the sighting telescope. Figure [[Dictionary:Fig_P-3|P-3]] shows uses of the plane table.
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A survey instrument consisting of a drawing board that can be leveled on a tripod. An object is sighted through an alidade (Figure [[Special:MyLanguage/Dictionary:Fig_A-9|A-9]]) that rests on the table, allowing one to plot the line of survey directly from the observation by drawing a line along a ruler attached to the sighting telescope. Figure [[Special:MyLanguage/Dictionary:Fig_P-3|P-3]] shows uses of the plane table.
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Latest revision as of 10:55, 3 August 2018

Other languages:
English • ‎español


A survey instrument consisting of a drawing board that can be leveled on a tripod. An object is sighted through an alidade (Figure A-9) that rests on the table, allowing one to plot the line of survey directly from the observation by drawing a line along a ruler attached to the sighting telescope. Figure P-3 shows uses of the plane table.