The Time Machine #1

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Across
  1. 4. The quantity of all dimensions, the time traveler knows.
  2. 7. A doubting member of the group who cures people.
  3. 9. The science of numbers and calculations.
  4. 10. The first dimension.
Down
  1. 1. The time traveler used this place for keeping the time machine.
  2. 2. To get someone to believe you.
  3. 3. The years it took to make a model of the time machine.
  4. 5. The second dimension.
  5. 6. The fourth dimension.
  6. 8. The third dimension.
  7. 10. The name of two controllers, the time machine has.