What can I do with the antique cash register?
1. Pressing the buttons enters the respective symbols in the slots at the top, and turning the handle resets them. But what is the correct order?
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2. All these symbols engraved on the cash register can't be decoration only. Notice a pattern?
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3. Start from the bottom row and work your way up. Can you spot how the elements in each new row relate to the previous one?
(PARTIAL SOLUTION FOLLOWS)
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4. The first symbol of one row comes last in the next row, the second one comes fourth, the third one first, the fourth one third, the last one second.
(SOLUTION FOLLOWS)
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5. So the correct order is: Pound – Franc – Drachma – Dollar – Yen, or in terms of button order: 4-3-2-1-5. Now turn the handle.