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| The famous Millionnaire by H. Egli (Zürich), here partially uncovered to display the multiplication block. A modell with a keyboard is on display in the Computarium. | |
| Total images: 123 | Help | |
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| The famous Millionnaire by H. Egli (Zürich), here partially uncovered to display the multiplication block. A modell with a keyboard is on display in the Computarium. | |
| Total images: 123 | Help | |