Surveying
The height displacement on a vertical photograph

Decreases as the flying height increases
Increases as the horizontal distance increases from the principal point
Increases as the ground elevation increases
All listed here

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Surveying
A telescope is said to be inverted if its

vertical circle is to its left and the bubble of the telescope is up
vertical circle is to its right and the bubble of the telescope is up
vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is down

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