to a pointer CDP by pins at C and D. Let the coefficients of thermal expa ium and tungsten be denoted by .m and O, respectively. Derive a formu displacement 8 (positive upward) of point P due to a uniform temperature d such a device be used as a thermometer?

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Surveys of public lands

A survey is a method used to determine the relative positions of various objects on the land by measuring the horizontal distances between them. Briefly, a survey is a process of accumulation of data of various details related to land. The main objective of surveying land is to prepare maps to a suitable scale. Various types of maps such as topographical maps, cadastral maps, engineering maps, military maps, contour maps, geological maps, archaeological maps, and so on can be prepared by surveying.