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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 ...
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 land. By adjusting the length of the legs, one can bring the table level regardless of the roughness of the terrain.
Horizontal axis adjustment. The horizontal axis must be perpendicular to the vertical axis. Vertical circle index adjustment. The vertical circle must read zero when the line of collimation is horizontal. Adjustment of altitude level. The axis of altitude level must be parallel to the line of collimation. Collimation adjustment.
There are plenty of reason you might feel off in the late afternoon and evening. Maybe you’re mentally wiped after socializing all day, or your brain is fried from hours of work.
Delta Air Lines flight 0958, from Atlanta to Melbourne, Fla., prepares to depart with only a handful of passengers on board, on March 21, 2020.
Salesforce raised 2024 guidance to 28% (550 basis points leverage) above estimates. The north star remains $10 plus earnings power in calendar year 2025, implying a $200-$250 stock at 20-25x."
Photogrammetric block adjustment of stereo pairs of aerial photographs is a modern, three-dimensional variant. In the late 1780s, Jesse Ramsden , a Yorkshireman from Halifax , England who had developed the dividing engine for dividing angular scales accurately to within a second of arc (≈ 0.0048 mrad or 4.8 μrad), was commissioned to build a ...
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