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Full text

Title
Proceedings of the Symposium on Progress in Data Processing and Analysis

330
Fig. 1
The System 9-AP analytical workstation. The central part is the analytical measuring
unit with its oculars and handwheels. The plate holders with the aerial photographs lie
under the surface of the table; the two screens for image injection are integrated in the
lower part of the instrument. The computer unit is on the right of the operator and the
screen of the workstation stands on the table.
The stereoscopic superimposition optics of an analytical plotter.