Compass Surveying- To Find Interior Angle Of Closed Traverse 

Here is a video on how to calculate the interior angle in closed traverse in Quadrant bearing. And i jope that you are going to enjoy this video.
You will find more video on different topics related to surveying. I have created a seperate playlist for you. Here is the link:
Surveying: • Surveying
Cause of local attraction:
Our compass gets locally attracted on site sue to the presence of magnetic materials like iron, pole, or any house, industrial building made up of GI sheets.
In that case our compass generates error and here is the video how we make corrections of such error and i hope you are going to love it.
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Leveling:
There of two method of doing leveling and they are as follow:
1. Height of instrument method
• HEIGHT OF INSTRUMENT M...
2. Rise and fall method:
• Determination of reduc...
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