Arithmometer "Felix"-M (desktop computer, used for precise addition, subtraction, multiplication and division)
Consists of a motionless construction of gray with slots in which the movement of nine rots is fixed by this number, and a movable carriage with eight windows in the left and the result of the counter with thirteen windows on the right. On the left and right of the carriage of the carriage is located on one of the thumbsout of the click, respectively, of the turnover and the results of the meter. On the right side of the stationary box, the handgrip is located
Creation time: 1970y.
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