1. I am looking for images taken from a vertical / near-vertical angle . 2. The vertical angle of the back light can change the effect. 3. The theodolite is used to measure horizontal and vertical angles to target points. 4. Some types of transit theodolites do not allow the measurement of vertical angles . 5. Consider a right circular cone with semi-vertical angle equal to " ? ". 6. The builder's level measures neither horizontal nor vertical angles . 7. The UK Green Archer radar used a manual switch to flip between the vertical angles . 8. Horizontal angles run anticlockwise from due front and vertical angles are positive above the horizontal, negative below. 9. Multiple feed horns were used in the receiver to allow reception from many vertical angles at once. 10. The builder's level is sometimes mistaken for a transit theodolite, but it measures neither horizontal nor vertical angles .
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