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Esacta

An interesting, late Italian pinwheel calculator, which is typical for the final refinements in pinwheel calculators in the 1950s, as well as the budding office machine industry in Italy (think Olivetti!) -one hand carriage movement, coupled with a twist knob on the front of the carriage, back transfer of the result ("Reimpostazione"), and a very light action of everything. To compensate for the small weight of the machine, it has a full rubber footprint, so it doesn't slide all over the table when operated. Very well thought out machine, and if we can believe the serial number, quite a lot have been built. I can't help but think that the numbering may have been a bit opmillionistic though, or more of them would have surfaced.

Esacta  picture 1

Esacta  picture 2

Esacta  picture 3

Esacta  picture 4

Esacta  picture 5