The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 172
mapped. ADJUSTMENT, USE, AND CARE OF INSTRUMENTS. I4T THE CLINOMETER. 141. The Clinometer is a hand-instrument for determin-ing the slope of ground or the angle it makes with the horizon.It consists essentially of a level bubble, a graduated arc, and aline of sight, so joined that when the line of… … Fig. 33. clinometer, being really a hand-level when the vernier is set toread zero. The position of the bubble is visible when lookingthrough the telescope, the same as with the Locke hand-level,shown in Fig. 16, p. 82. The body of the tube is made square,so that it may be used to find vertical…
Surveying
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