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It is done for each independent observation to bring the image of the object in the plane of cross hairs. It includes following steps of operation: First, direct the telescope towards the object for observation. Next, turn the focusing screw until the image of the object appears clear and sharp as the observer looks through properly focused eye ...
A theodolite (/ θ i ˈ ɒ d ə ˌ l aɪ t /) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying , but it is also used extensively for building and infrastructure construction , and some specialized applications such ...
On the table, the alidade with telescopic sight is seen. A plane table consists of a smooth table surface mounted on a sturdy base. The connection between the table top and the base permits one to level the table precisely, using bubble levels, in a horizontal plane. The base, a tripod, is designed to support the table over a specific point on ...
Modern automatic level in use on a construction site. A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as levelling. It is used in conjunction with a levelling staff to establish the relative height or levels (the vertical separation) of objects or marks.
The complete unit is normally mounted on a tripod, and the telescope can freely rotate 360° in a horizontal plane. The surveyor adjusts the instrument's level by coarse adjustment of the tripod legs and fine adjustment using three precision levelling screws on the instrument to make the rotational plane horizontal.
Brooks Nader's recent ring choice is raising eyebrows.. The 28-year-old model is sparking engagement rumors after she was spotted wearing a ring with a large pear-shaped diamond at the center when ...
Example of a site plan With the calculated coordinates and orientation of the total station, it can be used to set out points in construction surveying , machine guidance , site plan or other types of surveys .
He looked for construction jobs, and he thought about enrolling in graduate school for physical therapy. He visited a troubled childhood friend who had become a shut-in, just to keep him company. He made plans to get back in the gym with his best friend, and he apologized to his former girlfriend, hoping for a second chance.