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Original Odhner 7

The lowly Odhner 7 - this is a very late one with a serial number of 7-284993. Judging by the number of machines coming up for sale, this must be one of the, if not the most ubiquitous mechanical calculator in existence. There is no input control, no tens carry in the revolution counter, or backtransfer. Because this one is so late (beginning of the 40s), it already received a nice shade of light greyish blue - which is really the only reason I bought it - it complements the rest of the "couloured machine collection" in my hall cabinet. It is of course fully functional, and very light running.

Original Odhner 7  picture 1

Original Odhner 7   picture 2

Original Odhner 7  picture 3

Original Odhner 7  picture 4

Original Odhner 7  picture 4

There is also an earlier black version in the collection, which I cleaned up and photographed last night. Nr. 7-137239

Original Odhner 7  picture 1

Original Odhner 7   picture 2

Original Odhner 7  picture 3

Original Odhner 7  picture 4