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| The uncleaned Multifix E1R as auctioned by C.H. Due to some inconsidered handling, it went into a completely blocked state. It is a geared-sector calculator, a variant of the toothed-segment ("Stellsegment") technology.The right crank does not make a full rotation, but is pulled forwards (which adds the number), and than pushed back to complete the addition by making the carries in the accumulator (read (here ). | |
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