Answered: When using an optical instrument, such…

When using an optical instrument, such as an Automatic Level, you should focus on: Question 11Select one: A. The image B. The cross hairs Incorrect C. The mirrors D. Both a and b

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Photogrammetry

Photogrammetry is a technology of taking measurements of physical objects present in the environment, using photographs. It includes the process of recording and analyzing a three-dimension image in the two-dimension form. Photogrammetry was invented around 150 years ago in 1851 by Aimé Laussedat, he was also known as the father of photogrammetry, but this method was not in use until 50 years after its invention. This method was first used in Germany by Dr. Albrecht Meydenbauer in 1893 who was the director of the Royal Prussian Photogrammetric institute founded by him.

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When using an optical instrument, such as an Automatic Level, you should focus on:

Question 11Select one:

The image

The cross hairs

Incorrect

The mirrors

Both a and b

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