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A surveyor's instrument having a short telescope fixed rigidly to a horizontally rotating table.
(Surveying) surveying a levelling instrument consisting of a horizontal telescope with various rotational arrangements and a spirit level
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|Noun||1.||Dumpy level - a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level|
surveyor's level - surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land