Precisa S.A., Zurich - Calculator - 1950-1960

Old mechanical calculating machine with printer, Precisa, manufactured by Precisa S.A., Zurich 11, Switzerland, probably dating from the 1950s-1960s.
Desktop calculator operated manually, equipped with a numeric keypad, a counter with a mechanical display, a large side crank, and a paper-roll printing device allowing a record of the operations.
Black metal housing with the Precisa logo on the front and the original plate reading « Fabrique de Machines à calculer Precisa S.A. – Zurich 11, Suisse », serial number M2 35521.
The ensemble shows a beautiful antique patina with wear, scratches and signs of use consistent with its age.
Not tested.
A fine collectible representing the old Swiss accounting machines.