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trigonometrical

Example Sentences

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This can be compared with the actual distance in miles between the two stations, which has been ascertained by the trigonometrical survey.

From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir

In the great trigonometrical survey of India the theodolites used in the more important parts of the work have been of 2 and 3 ft. diameter—the circle read by five equidistant microscopes.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

I believe it was set up by the government expedition three or four years ago as a signal-post for their trigonometrical survey.

From Harper's New Monthly Magazine, Vol III, No 13, 1851 by Various

In India no expense is spared in making permanent the principal trigonometrical stations—costly towers in masonry being erected.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

He first made a trigonometrical survey of the district, and delineated its physical geography with minute accuracy and admirable graphic power.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir