Restoration simple old calculator steps 1960 | Restore antique computer of the Netherlands

Restoration simple old calculator steps 1960 | Restore antique computer of the Netherlands
Hello . Today we have collected a very simple old calculator. We have absolutely no knowledge of this computer. The knowledge that we learned was produced and operated in 1960 and produced in the Netherlands. I hope you enjoy our work and share the knowledge you have about this device below the comment.
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