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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 482

An illustration from 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, leaf 482 — o the tops of these stakes, and on these the tape-lengths are GEODETIC SURVEYING. 451 marked with a steel point. These strips remain undisturbeduntil all the measurements are completed, when they arepreserved for future reference. In front of the marking-stakethree table-stakes are driven, on which… … Fig. 129. lower to bring the tape, when stretched, to rest on the topof the marking-stake. The stretching apparatus is shown in Fig. 129.* A chainis attached to the end of the tape, and this is hooked over the * This figure, and the method here described, are taken from the advance-sheets of the…

Surveying

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