Product Description
These units were manufactured by Carl Zeiss during WW2. They are used to obtain an intercept and azimuth in order to plot the results of a sextant observation, thus many volumes of sight reduction tables were made obsolete. Another use was to compute the initial great circle course and distance between any two positions in the world by solving the spherical geometry.
This unit comes with the Calculator, Case, Power cord, 4 extra lamps.
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