Abstract: The laser system for control of building contour and deformation consists of two parts. In the illuminator laser beam is divided into some parts. One of these parts works as reference ray or plane, and directions of others may be changed by the task program at the same time. A traditional instrument, for example, a theodolite or a phototheodolite, may be used as the measurement station of the system. The system permits to ensure a very high accuracy is we want to pass from one to another building components. !4
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