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to which the hydrographic survey may be referred , then to measure ( usually from a boat ) the depth of water at various points , and determine position of these points . Besides ordinary transit and tape outfit , a sounding - pole ( or ...
Determining mean position of wire . ( a ) If period of swing gives enough time , the wire may be followed with the upper -13 % tangent motion of the transit , the extreme right and left position being noted on the vernier .
Counter - weight cables Loading boom Counter - weight and guides Roller Track Diversion chute Diversion chute Loaded Loaded car Empty car car Empty car Position No. 1 Topping out car . Counter - weight at rest . , to release chute upon ...
Apa yang dikatakan orang - Tulis resensi
LibraryThing ReviewUlasan Pengguna - wackyvorlon - LibraryThing
I only have the second volume of this work, and I love it! Found at a local Value Village, it is filled with fascinating information. Details of all aspects of mine engineering, including compressed air, ventilation, and supporting structures. Baca ulasan lengkap
Conditions Methods in General
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