Handy Methods of Geodetic Astronomy for Land Surveyors, 1921 (Classic Reprint) - Hardcover

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Excerpt from Handy Methods of Geodetic Astronomy for Land Surveyors, 1921

Whitaker's Almanack, a book of mathematical tables, and a 20-inch slide-rule, the Surveyor can utilise his ordinary 6-inch transit-theodolite, or even one of less size, to determine his geographical position with considerable accuracy.

Philip's cardboard Planispheres, published for either Hemisphere, are an inexpensive and most useful addition.

The particular feature of this pamphlet is, however, to show how, by means of some rapidly made diagrams, the stars available at time and place can be at once identified, and the observation facilitated.

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