Plane-Table Board
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Plane-Table Board
(also planchette). (1) A part of a plane table, a square board having sides measuring between 40 and 60 cm in length. In plane-table surveying, a sketch of the terrain is drawn on a piece of paper attached to the board.
(2) A small board or piece of cardboard to which ruled paper and a compass are attached for exploratory surveying.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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