Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge : University press · leaf 263
I. Straining trestle. Tape on drum. … Mark on tripod. 4. Alignment sight on tripod. Iiiiiir Tape Base App(V<itiis. Dipartiiu-nt of Gcoi^raplty,Cambridge University. SURVEY INSTRUMENTS 197 precautions are taken to control at frequent intervals the lengthsand the graduation of the staves. Invar tape or wire base apparatus. As a result…
Maps · Surveying
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